orgrctera/beir_cqadupstack_physics · Datasets at Hugging Face

id stringlengths 36 36	input stringlengths 15 149	expected_output stringlengths 25 2.11k	metadata.query_id stringlengths 1 6	metadata.split stringclasses 1 value
2063ac14-27df-43e5-aa04-6b117e46257f	Capacitors discharging in series	[{"id": "63300", "score": 1}]	63138	test
e99a79a7-481c-432f-b54f-50b4d145d31a	A black torch to darken everything	[{"id": "123491", "score": 1}]	103110	test
60bc56d6-9081-466f-a4fd-7bddea92d938	Second Rank Tensors	[{"id": "32011", "score": 1}, {"id": "123198", "score": 1}, {"id": "128896", "score": 1}]	102627	test
ec9d9d82-8b18-4755-b8a9-ddcabef04868	Hubble time and its derivation?	[{"id": "10400", "score": 1}, {"id": "78558", "score": 1}, {"id": "81982", "score": 1}, {"id": "69050", "score": 1}]	114887	test
fe23c757-14c8-48b4-bb31-2c035a4ea620	Is this a good explanation of the Higgs mechanism?	[{"id": "6450", "score": 1}]	39428	test
0d731c68-c5ce-4f83-afc0-87ef71171711	Is it possible (theoretically) to divide Black Hole into two parts?	[{"id": "45448", "score": 1}]	64670	test
d500e628-eec7-4ee6-b878-06dcb4144363	Kinematics question - Newton's Law of Motion	[{"id": "123170", "score": 1}]	123173	test
532379ff-2bd5-47c5-87bc-c2e84ee26967	A question about the higher-order Weyl variation for the geodesic distance	[{"id": "102798", "score": 1}]	73393	test
6f8f8550-b57b-4d25-9f3d-6dd9a82a885a	What causes an electric shock - Current or Voltage?	[{"id": "64908", "score": 1}, {"id": "89803", "score": 1}, {"id": "51418", "score": 1}]	36440	test
b1cff96f-7de2-4413-8331-0f9ff346dcd5	Basic understanding of stress tensors in a fluid	[{"id": "134969", "score": 1}]	134987	test
50586f4a-88df-4493-92e2-27bfc02c0de7	Derivation of Euler's equations for rigid body rotation	[{"id": "115098", "score": 1}]	104513	test
86a49493-a881-41dc-934f-b2a8b30b713e	Virtual particle production in space-time.	[{"id": "12996", "score": 1}]	12995	test
91d8f319-15d9-4b24-a80a-e2e523d87e08	Born's Rule, What is the Reason?	[{"id": "53385", "score": 1}, {"id": "51962", "score": 1}]	73329	test
c31107b6-57a0-409f-a796-8b4132e24aea	Why does a cuboid spin stably around two axes but not the third?	[{"id": "41038", "score": 1}, {"id": "31475", "score": 1}]	34364	test
641223ad-4594-4bb4-8da1-d7a89ce71401	Is the universe flat?	[{"id": "128271", "score": 1}, {"id": "2916", "score": 1}, {"id": "112250", "score": 1}]	106287	test
b21f7636-72bf-4a1e-99d3-a988e502d161	How are classical optics phenomena explained in QED (Snell's law)?	[{"id": "6428", "score": 1}]	2041	test
d02fd3d6-b7ba-42e5-b9ff-92bac8f79e39	What are direction ratios?	[{"id": "99652", "score": 1}]	99865	test
674e6229-65bd-4bee-a686-aa2597fc466b	Why can't airplanes just keep going up?	[{"id": "5979", "score": 1}]	18662	test
4551564b-b553-4d7b-81a0-35e4d2cafeaa	Relativistic Hamiltonian Formulations	[{"id": "32368", "score": 1}]	45545	test
c0a7426e-eec8-43f5-937c-2534e055ae70	Impurity scattering temperature dependence	[{"id": "45836", "score": 1}]	45634	test
3cf11349-5fb9-40a3-b9d6-4404553c5438	Time taken for object in space to fall to earth	[{"id": "104952", "score": 1}]	34366	test
7774054c-f0bb-4cd3-85e0-905ba0e3f4c9	Nuclear structure	[{"id": "36469", "score": 1}, {"id": "90501", "score": 1}]	52845	test
f41a4e31-4a9e-4703-b891-49f28ccb8b30	Is powered delivered to an Incandescent light bulb changing with time?	[{"id": "95672", "score": 1}]	97886	test
4c9e2714-ae23-40d8-a129-f76ed86ac36d	How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that?	[{"id": "92080", "score": 1}, {"id": "99181", "score": 1}, {"id": "95614", "score": 1}]	38404	test
af23d70e-c8ce-4143-9e5a-5323aa10d955	How do we make symmetry assumptions rigorous?	[{"id": "119309", "score": 1}]	53734	test
3629f7d8-b6ae-4e3e-9541-514f5824d976	Prove $[A,B^n] = nB^{n-1}[A,B]$	[{"id": "116364", "score": 1}]	78222	test
8046e3d1-9259-4f93-a1e2-ca69255766e6	Logical requirement of newton's third law	[{"id": "18119", "score": 1}]	43665	test
b087f5bc-4662-4f4c-add9-0cf1a5831bf8	What will change if we have another Earth in the space near Earth?	[{"id": "38869", "score": 1}]	105398	test
4dfc10fe-c803-4b4c-9ba0-00320c2073f3	What is the Physical Meaning of Commutation of Two Operators?	[{"id": "107241", "score": 1}]	9194	test
66368cd2-4551-43b4-8751-fbee7f260501	Would atmosphere of Jupiter blow up if I launched a atomic bomb there?	[{"id": "776", "score": 1}]	111530	test
264eb33c-fb86-4496-b9b5-2bab7a89e152	How do we know that light is massless?	[{"id": "4700", "score": 1}, {"id": "60441", "score": 1}]	61086	test
a6077444-ea5b-497f-9b36-1c65452f8ebb	To which extent is general relativity a gauge theory?	[{"id": "97902", "score": 1}]	46324	test
e36229e8-116a-4ec0-be82-b561e9bada13	Calculating Hubble's constant at earlier times	[{"id": "92805", "score": 1}]	129314	test
2358e136-62be-4d6c-b24e-050ca9180173	What color would you see if you place 2 mirrors in opposit when one is a one way mirror	[{"id": "93421", "score": 1}]	92301	test
7678b2e2-beb7-4edb-8846-cc4918d74bd9	Is fire matter or energy?	[{"id": "44599", "score": 1}]	9708	test
30aef1ba-8335-4576-9d4b-293989687b7c	Flames with no gravity?	[{"id": "103584", "score": 1}]	46327	test
90c373fb-b936-4944-a13a-ead65d093f78	Why do physical bodies in the universe follow the law of physics ( or any rule/pattern ) ?	[{"id": "123525", "score": 1}]	129206	test
35208758-c1b9-45cc-965f-7ed05b956dd9	If I'm floating in space and I turn on a flashlight, will I accelerate?	[{"id": "113825", "score": 1}]	112866	test
f26e6f27-dad9-4066-871a-a07eda233a07	Centrifugal force acting on ring	[{"id": "90026", "score": 1}]	89787	test
c9a2d729-b15f-4900-91be-e660765f7b26	Baryon asymmetry	[{"id": "24042", "score": 1}]	27753	test
6d104c50-d507-430b-814c-481d5a077d0d	Entanglement in time	[{"id": "38930", "score": 1}]	27641	test
781bd765-272a-463f-8e09-ae390c8af010	What are good books for graduates/undergraduates in Astrophysics?	[{"id": "89222", "score": 1}]	44882	test
0cee6834-eec4-4d58-a288-3dd5c37321cd	Does mass affects accelleration of an object in a sloapy movement?	[{"id": "19552", "score": 1}]	19548	test
3b1f2919-5422-4e7e-b2eb-a1cacaba095c	Is the total angular momentum of the universe zero?	[{"id": "1048", "score": 1}]	73209	test
76264475-7256-41cb-8677-d036fc9d8fbf	Is spacetime simply connected?	[{"id": "63001", "score": 1}, {"id": "361", "score": 1}, {"id": "91405", "score": 1}, {"id": "64415", "score": 1}, {"id": "1787", "score": 1}]	12012	test
2891acd5-5650-4e1f-9eeb-887068583576	Expansion of a function	[{"id": "93693", "score": 1}]	83101	test
93be999b-3378-463b-a4be-c1685e2c685c	How to deduce the theorem of addition of velocities?	[{"id": "47619", "score": 1}, {"id": "90865", "score": 1}]	23625	test
e242dc88-e770-4daf-8945-3073910168b2	Time dilation at a black hole	[{"id": "5031", "score": 1}]	66538	test
cf109e2f-a207-442a-b8ba-5bd2bc39b0c0	Why is uncertainty $\geq {\hbar}/{2} $	[{"id": "69604", "score": 1}, {"id": "103208", "score": 1}]	134199	test
a855457b-85ed-471d-b3b7-d5ae0580e1b5	does time exist in space or does space exist in time	[{"id": "46112", "score": 1}, {"id": "96273", "score": 1}, {"id": "89993", "score": 1}]	75286	test
65de63ab-37da-43d1-9bd9-6c4dede11abd	Why do surfaces act like barriers for electrons?	[{"id": "103049", "score": 1}]	95889	test
bcdfc0e2-eef6-4515-a2a2-d4a365ff01be	What does 1/k represent regarding Newtons Law of Cooling?	[{"id": "110744", "score": 1}]	110615	test
4be72b34-9909-4899-a51d-dacc4cab5942	Is colour, as represented using primary colours, accurate only to humans?	[{"id": "75711", "score": 1}]	1982	test
5b03fb14-b76c-4c11-8c0b-832afdfece28	Blackbody radiation and Spectral Lines	[{"id": "52943", "score": 1}, {"id": "40843", "score": 1}]	105875	test
f45b9e58-268f-4e84-b0c8-471684d40ea9	Books that every layman should read	[{"id": "34125", "score": 1}]	13020	test
ef47c92b-44cb-4ddf-bb93-7a78c62f6f56	Was the mass of the universe the same when it first began as it is now?	[{"id": "26435", "score": 1}]	109850	test
21e38c50-1c4b-4bf0-801b-9622054be964	A Basic Question about Gravity, Inertia or Momentum or something along those lines	[{"id": "89276", "score": 1}, {"id": "108079", "score": 1}]	7479	test
8952c117-a82b-4e3d-82e7-995f142f1b2b	Is anti-matter matter going backwards in time?	[{"id": "103421", "score": 1}, {"id": "58101", "score": 1}]	391	test
cadd7a5d-58fd-45b9-bcca-c31883df0244	Dependence of Force as a function of Distance?	[{"id": "57672", "score": 1}]	107561	test
df0ae06a-c469-43db-bf59-0eeff17862a7	Good Books on Gauge Theory	[{"id": "6108", "score": 1}, {"id": "131972", "score": 1}, {"id": "103169", "score": 1}]	48196	test
838f30b1-87cc-45c4-bab3-6d2c0acbf11b	Why does the light bulb's brightness decrease?	[{"id": "28536", "score": 1}]	28417	test
777496d0-a6ad-42d2-bb5c-f027c97f7b63	After what speed air friction starts to heat up an object?	[{"id": "134282", "score": 1}]	43768	test
86f92440-e163-425e-9141-123603c7008a	Can we actually prove with 100% accuracy that there is more than 3 dimensions plus time (t,x,y,z)?	[{"id": "4079", "score": 1}, {"id": "68135", "score": 1}, {"id": "29328", "score": 1}]	89988	test
552700d0-b6e6-48eb-aad8-1c6d4d64d384	Pendulum with water dripping out	[{"id": "133837", "score": 1}, {"id": "80287", "score": 1}]	7877	test
8dd906f2-4f46-45a3-aa61-9f7ca820f63c	Is it possible for a physical object to have a irrational length?	[{"id": "76819", "score": 1}]	52273	test
16902fa5-c1e4-4603-9630-a41e198ae3df	What's the proof that the polarization occur s to the electric field of the light?	[{"id": "107562", "score": 1}]	107563	test
cc71a25a-eb05-4bee-b2e1-5a0991f13dcb	Why do electrons and protons attract each other?	[{"id": "80807", "score": 1}, {"id": "105196", "score": 1}, {"id": "129249", "score": 1}]	100056	test
78ef2e7b-6027-490e-8876-4a6f186214e0	Is everyone seeing the same color as I see?	[{"id": "48731", "score": 1}, {"id": "79091", "score": 1}]	92662	test
c2b8062e-21fd-41dd-b468-5b7c139f184b	Why can we skate on ice?	[{"id": "1720", "score": 1}, {"id": "98835", "score": 1}]	81561	test
2e413565-422e-494d-8cf6-644d384aeef2	Why are all force particles bosons?	[{"id": "123190", "score": 1}]	81414	test
f7dc01f9-701d-40ae-a993-6185560ac096	About hubble observatory and distant galaxies	[{"id": "26549", "score": 1}, {"id": "70725", "score": 1}, {"id": "92125", "score": 1}, {"id": "76927", "score": 1}, {"id": "25591", "score": 1}, {"id": "93653", "score": 1}, {"id": "57402", "score": 1}, {"id": "104937", "score": 1}, {"id": "12049", "score": 1}, {"id": "129073", "score": 1}, {"id": "112000", "score": 1}, {"id": "60519", "score": 1}, {"id": "131708", "score": 1}, {"id": "65547", "score": 1}, {"id": "112494", "score": 1}, {"id": "103060", "score": 1}, {"id": "104964", "score": 1}]	60900	test
1e21ee14-92a1-4266-bd29-ea6fcd578bb7	Can one do the maths of physics without using $\sqrt{-1}$?	[{"id": "95526", "score": 1}, {"id": "44959", "score": 1}, {"id": "105516", "score": 1}]	11396	test
4c8c1fb1-6ad9-44a3-95aa-afb120a0f4b8	How does the evolution of a solar system not break the second law of thermodynamics?	[{"id": "131204", "score": 1}, {"id": "132535", "score": 1}]	117205	test
6855e11f-cd73-4eca-b407-67d0a19ef7c4	Doughnut magnet	[{"id": "54615", "score": 1}]	123513	test
6b2abac0-c22c-41d9-8072-cccbc4f1bbc2	Why doesn't a bus blow due to internal pressure?	[{"id": "72072", "score": 1}]	64647	test
09c0a059-c5ab-4ec0-a501-1a335aa92d68	Exchange particles-real or just mathetical constructs?	[{"id": "4349", "score": 1}]	70463	test
4fc9bcbe-12e8-4e9d-ac84-12c2d86300c0	Why do we observe opposite motion of trees (nearer) and trees (distant) when seen from a moving frame?	[{"id": "114748", "score": 1}, {"id": "116425", "score": 1}]	130999	test
8056dd7c-d888-4a22-b3ae-b0bd6b21951c	How does the curiosity rover get it's power?	[{"id": "34203", "score": 1}]	35645	test
544d116f-0584-4d77-a204-9942e5dd922e	Measuring extra-dimensions	[{"id": "29327", "score": 1}, {"id": "104800", "score": 1}]	22542	test
6d018866-8940-4f78-8104-0ea201372eda	What's the difference between electron movement and charge movement in electricity?	[{"id": "17741", "score": 1}, {"id": "102566", "score": 1}, {"id": "31355", "score": 1}]	38313	test
66b11add-dac6-4169-a81c-f59b6ce8b7b4	Planck length implies lattice structure of space?	[{"id": "33273", "score": 1}, {"id": "109800", "score": 1}]	69855	test
c0bc2f6b-d9ad-402a-972e-d9503bb1bd4a	Radiation– white vs black house, hot or cool?	[{"id": "95388", "score": 1}]	95053	test
20f7def1-700f-41c0-84ef-e5fa4bb34d96	What sort of jobs do physics graduates with B.Sc/M.Sc get?	[{"id": "7477", "score": 1}]	6582	test
df1fde8c-ac95-4c38-b3f5-0d629d226313	String Theory- Are strings the end? What are they made of?	[{"id": "46573", "score": 1}]	90128	test
61be30bf-07a1-4731-8010-39f64ce88ae9	Why is the earth shaped like a sphere and not any other shape: cube, prism?	[{"id": "26297", "score": 1}]	120124	test
f4d6831e-f833-4499-9176-d36977b36939	The meaning of imaginary time	[{"id": "123156", "score": 1}]	46798	test
5ecae35b-1335-461d-aebe-fc2b9018905d	How does heat actually stay kept in the carbon molecules in the atmosphere?	[{"id": "9296", "score": 1}]	119103	test
a0b3f461-a716-4f5d-b535-c6e2c7b05a21	Spectrum of Free Strings	[{"id": "22159", "score": 1}]	26992	test
e70f9cdc-6ae1-445f-a38e-ecc87a6645d3	Good book about elementary particles for high school students?	[{"id": "36057", "score": 1}]	9389	test
674c801a-2f48-4a8b-98a1-dc4c32d9da69	Spinning of the Earth	[{"id": "29235", "score": 1}]	107746	test
82388014-b826-45f1-b742-ed4d1a71dd5a	Linear motion with variable acceleration	[{"id": "128765", "score": 1}]	41741	test
5f5a18e4-7af5-44d6-b3d1-239f04373dde	Problem about entropy	[{"id": "123817", "score": 1}]	123743	test
8c40ddff-882f-48c6-b91f-34398bd2f4a9	Wave theory limit of geometric optics?	[{"id": "65237", "score": 1}]	73813	test
d318c276-7090-45f9-bd5c-25924fc71f9e	Can a value of "length, in meters" be attributed to a pair of ends which are rigid (but not at rest) to each other?	[{"id": "99267", "score": 1}]	99779	test
5d03ae0e-0b22-4741-8b9b-920c559fa4e7	Why is a cycloid path the fastest way to roll a ball downward?	[{"id": "17524", "score": 1}]	46863	test
e8a71b05-1386-4d1d-ae6a-c2ab27154743	Why work to change velocity from 0 to 20 km/h is less then from 20 to 40?	[{"id": "535", "score": 1}, {"id": "123365", "score": 1}, {"id": "69169", "score": 1}]	58122	test
87f3bbc4-a864-4cea-bb7d-7a68e050fe33	How can we know that a black hole exists?	[{"id": "29696", "score": 1}]	111959	test
c5850f95-88d7-4c27-a319-f14366cbc6db	Is it pions or gluons that mediate the strong force between nucleons?	[{"id": "20047", "score": 1}]	9663	test
f4048378-7932-4e38-aeeb-4336600725af	An example of non-Hamiltonian systems	[{"id": "106876", "score": 1}]	34834	test
f1869321-1f96-414e-8a5e-a408db4924ca	Red color has largest wavelenght and violet minimum (in the range of visible light). then why does violet light appears reddish? RED + BLUE = VIOLET	[{"id": "40763", "score": 1}, {"id": "75710", "score": 1}, {"id": "73003", "score": 1}]	103448	test

2063ac14-27df-43e5-aa04-6b117e46257f

Capacitors discharging in series

[{"id": "63300", "score": 1}]

63138

test

e99a79a7-481c-432f-b54f-50b4d145d31a

A black torch to darken everything

[{"id": "123491", "score": 1}]

103110

test

60bc56d6-9081-466f-a4fd-7bddea92d938

Second Rank Tensors

[{"id": "32011", "score": 1}, {"id": "123198", "score": 1}, {"id": "128896", "score": 1}]

102627

test

ec9d9d82-8b18-4755-b8a9-ddcabef04868

Hubble time and its derivation?

[{"id": "10400", "score": 1}, {"id": "78558", "score": 1}, {"id": "81982", "score": 1}, {"id": "69050", "score": 1}]

114887

test

fe23c757-14c8-48b4-bb31-2c035a4ea620

Is this a good explanation of the Higgs mechanism?

[{"id": "6450", "score": 1}]

39428

test

0d731c68-c5ce-4f83-afc0-87ef71171711

Is it possible (theoretically) to divide Black Hole into two parts?

[{"id": "45448", "score": 1}]

64670

test

d500e628-eec7-4ee6-b878-06dcb4144363

Kinematics question - Newton's Law of Motion

[{"id": "123170", "score": 1}]

123173

test

532379ff-2bd5-47c5-87bc-c2e84ee26967

A question about the higher-order Weyl variation for the geodesic distance

[{"id": "102798", "score": 1}]

73393

test

6f8f8550-b57b-4d25-9f3d-6dd9a82a885a

What causes an electric shock - Current or Voltage?

[{"id": "64908", "score": 1}, {"id": "89803", "score": 1}, {"id": "51418", "score": 1}]

36440

test

b1cff96f-7de2-4413-8331-0f9ff346dcd5

Basic understanding of stress tensors in a fluid

[{"id": "134969", "score": 1}]

134987

test

50586f4a-88df-4493-92e2-27bfc02c0de7

Derivation of Euler's equations for rigid body rotation

[{"id": "115098", "score": 1}]

104513

test

86a49493-a881-41dc-934f-b2a8b30b713e

Virtual particle production in space-time.

[{"id": "12996", "score": 1}]

12995

test

91d8f319-15d9-4b24-a80a-e2e523d87e08

Born's Rule, What is the Reason?

[{"id": "53385", "score": 1}, {"id": "51962", "score": 1}]

73329

test

c31107b6-57a0-409f-a796-8b4132e24aea

Why does a cuboid spin stably around two axes but not the third?

[{"id": "41038", "score": 1}, {"id": "31475", "score": 1}]

34364

test

641223ad-4594-4bb4-8da1-d7a89ce71401

Is the universe flat?

[{"id": "128271", "score": 1}, {"id": "2916", "score": 1}, {"id": "112250", "score": 1}]

106287

test

b21f7636-72bf-4a1e-99d3-a988e502d161

How are classical optics phenomena explained in QED (Snell's law)?

[{"id": "6428", "score": 1}]

2041

test

d02fd3d6-b7ba-42e5-b9ff-92bac8f79e39

What are direction ratios?

[{"id": "99652", "score": 1}]

99865

test

674e6229-65bd-4bee-a686-aa2597fc466b

Why can't airplanes just keep going up?

[{"id": "5979", "score": 1}]

18662

test

4551564b-b553-4d7b-81a0-35e4d2cafeaa

Relativistic Hamiltonian Formulations

[{"id": "32368", "score": 1}]

45545

test

c0a7426e-eec8-43f5-937c-2534e055ae70

Impurity scattering temperature dependence

[{"id": "45836", "score": 1}]

45634

test

3cf11349-5fb9-40a3-b9d6-4404553c5438

Time taken for object in space to fall to earth

[{"id": "104952", "score": 1}]

34366

test

7774054c-f0bb-4cd3-85e0-905ba0e3f4c9

Nuclear structure

[{"id": "36469", "score": 1}, {"id": "90501", "score": 1}]

52845

test

f41a4e31-4a9e-4703-b891-49f28ccb8b30

Is powered delivered to an Incandescent light bulb changing with time?

[{"id": "95672", "score": 1}]

97886

test

4c9e2714-ae23-40d8-a129-f76ed86ac36d

How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that?

[{"id": "92080", "score": 1}, {"id": "99181", "score": 1}, {"id": "95614", "score": 1}]

38404

test

af23d70e-c8ce-4143-9e5a-5323aa10d955

How do we make symmetry assumptions rigorous?

[{"id": "119309", "score": 1}]

53734

test

3629f7d8-b6ae-4e3e-9541-514f5824d976

Prove $[A,B^n] = nB^{n-1}[A,B]$

[{"id": "116364", "score": 1}]

78222

test

8046e3d1-9259-4f93-a1e2-ca69255766e6

Logical requirement of newton's third law

[{"id": "18119", "score": 1}]

43665

test

b087f5bc-4662-4f4c-add9-0cf1a5831bf8

What will change if we have another Earth in the space near Earth?

[{"id": "38869", "score": 1}]

105398

test

4dfc10fe-c803-4b4c-9ba0-00320c2073f3

What is the Physical Meaning of Commutation of Two Operators?

[{"id": "107241", "score": 1}]

9194

test

66368cd2-4551-43b4-8751-fbee7f260501

Would atmosphere of Jupiter blow up if I launched a atomic bomb there?

[{"id": "776", "score": 1}]

111530

test

264eb33c-fb86-4496-b9b5-2bab7a89e152

How do we know that light is massless?

[{"id": "4700", "score": 1}, {"id": "60441", "score": 1}]

61086

test

a6077444-ea5b-497f-9b36-1c65452f8ebb

To which extent is general relativity a gauge theory?

[{"id": "97902", "score": 1}]

46324

test

e36229e8-116a-4ec0-be82-b561e9bada13

Calculating Hubble's constant at earlier times

[{"id": "92805", "score": 1}]

129314

test

2358e136-62be-4d6c-b24e-050ca9180173

What color would you see if you place 2 mirrors in opposit when one is a one way mirror

[{"id": "93421", "score": 1}]

92301

test

7678b2e2-beb7-4edb-8846-cc4918d74bd9

Is fire matter or energy?

[{"id": "44599", "score": 1}]

9708

test

30aef1ba-8335-4576-9d4b-293989687b7c

Flames with no gravity?

[{"id": "103584", "score": 1}]

46327

test

90c373fb-b936-4944-a13a-ead65d093f78

Why do physical bodies in the universe follow the law of physics ( or any rule/pattern ) ?

[{"id": "123525", "score": 1}]

129206

test

35208758-c1b9-45cc-965f-7ed05b956dd9

If I'm floating in space and I turn on a flashlight, will I accelerate?

[{"id": "113825", "score": 1}]

112866

test

f26e6f27-dad9-4066-871a-a07eda233a07

Centrifugal force acting on ring

[{"id": "90026", "score": 1}]

89787

test

c9a2d729-b15f-4900-91be-e660765f7b26

Baryon asymmetry

[{"id": "24042", "score": 1}]

27753

test

6d104c50-d507-430b-814c-481d5a077d0d

Entanglement in time

[{"id": "38930", "score": 1}]

27641

test

781bd765-272a-463f-8e09-ae390c8af010

What are good books for graduates/undergraduates in Astrophysics?

[{"id": "89222", "score": 1}]

44882

test

0cee6834-eec4-4d58-a288-3dd5c37321cd

Does mass affects accelleration of an object in a sloapy movement?

[{"id": "19552", "score": 1}]

19548

test

3b1f2919-5422-4e7e-b2eb-a1cacaba095c

Is the total angular momentum of the universe zero?

[{"id": "1048", "score": 1}]

73209

test

76264475-7256-41cb-8677-d036fc9d8fbf

Is spacetime simply connected?

[{"id": "63001", "score": 1}, {"id": "361", "score": 1}, {"id": "91405", "score": 1}, {"id": "64415", "score": 1}, {"id": "1787", "score": 1}]

12012

test

2891acd5-5650-4e1f-9eeb-887068583576

Expansion of a function

[{"id": "93693", "score": 1}]

83101

test

93be999b-3378-463b-a4be-c1685e2c685c

How to deduce the theorem of addition of velocities?

[{"id": "47619", "score": 1}, {"id": "90865", "score": 1}]

23625

test

e242dc88-e770-4daf-8945-3073910168b2

Time dilation at a black hole

[{"id": "5031", "score": 1}]

66538

test

cf109e2f-a207-442a-b8ba-5bd2bc39b0c0

Why is uncertainty $\geq {\hbar}/{2} $

[{"id": "69604", "score": 1}, {"id": "103208", "score": 1}]

134199

test

a855457b-85ed-471d-b3b7-d5ae0580e1b5

does time exist in space or does space exist in time

[{"id": "46112", "score": 1}, {"id": "96273", "score": 1}, {"id": "89993", "score": 1}]

75286

test

65de63ab-37da-43d1-9bd9-6c4dede11abd

Why do surfaces act like barriers for electrons?

[{"id": "103049", "score": 1}]

95889

test

bcdfc0e2-eef6-4515-a2a2-d4a365ff01be

What does 1/k represent regarding Newtons Law of Cooling?

[{"id": "110744", "score": 1}]

110615

test

4be72b34-9909-4899-a51d-dacc4cab5942

Is colour, as represented using primary colours, accurate only to humans?

[{"id": "75711", "score": 1}]

1982

test

5b03fb14-b76c-4c11-8c0b-832afdfece28

Blackbody radiation and Spectral Lines

[{"id": "52943", "score": 1}, {"id": "40843", "score": 1}]

105875

test

f45b9e58-268f-4e84-b0c8-471684d40ea9

Books that every layman should read

[{"id": "34125", "score": 1}]

13020

test

ef47c92b-44cb-4ddf-bb93-7a78c62f6f56

Was the mass of the universe the same when it first began as it is now?

[{"id": "26435", "score": 1}]

109850

test

21e38c50-1c4b-4bf0-801b-9622054be964

A Basic Question about Gravity, Inertia or Momentum or something along those lines

[{"id": "89276", "score": 1}, {"id": "108079", "score": 1}]

7479

test

8952c117-a82b-4e3d-82e7-995f142f1b2b

Is anti-matter matter going backwards in time?

[{"id": "103421", "score": 1}, {"id": "58101", "score": 1}]

391

test

cadd7a5d-58fd-45b9-bcca-c31883df0244

Dependence of Force as a function of Distance?

[{"id": "57672", "score": 1}]

107561

test

df0ae06a-c469-43db-bf59-0eeff17862a7

Good Books on Gauge Theory

[{"id": "6108", "score": 1}, {"id": "131972", "score": 1}, {"id": "103169", "score": 1}]

48196

test

838f30b1-87cc-45c4-bab3-6d2c0acbf11b

Why does the light bulb's brightness decrease?

[{"id": "28536", "score": 1}]

28417

test

777496d0-a6ad-42d2-bb5c-f027c97f7b63

After what speed air friction starts to heat up an object?

[{"id": "134282", "score": 1}]

43768

test

86f92440-e163-425e-9141-123603c7008a

Can we actually prove with 100% accuracy that there is more than 3 dimensions plus time (t,x,y,z)?

[{"id": "4079", "score": 1}, {"id": "68135", "score": 1}, {"id": "29328", "score": 1}]

89988

test

552700d0-b6e6-48eb-aad8-1c6d4d64d384

Pendulum with water dripping out

[{"id": "133837", "score": 1}, {"id": "80287", "score": 1}]

7877

test

8dd906f2-4f46-45a3-aa61-9f7ca820f63c

Is it possible for a physical object to have a irrational length?

[{"id": "76819", "score": 1}]

52273

test

16902fa5-c1e4-4603-9630-a41e198ae3df

What's the proof that the polarization occur s to the electric field of the light?

[{"id": "107562", "score": 1}]

107563

test

cc71a25a-eb05-4bee-b2e1-5a0991f13dcb

Why do electrons and protons attract each other?

[{"id": "80807", "score": 1}, {"id": "105196", "score": 1}, {"id": "129249", "score": 1}]

100056

test

78ef2e7b-6027-490e-8876-4a6f186214e0

Is everyone seeing the same color as I see?

[{"id": "48731", "score": 1}, {"id": "79091", "score": 1}]

92662

test

c2b8062e-21fd-41dd-b468-5b7c139f184b

Why can we skate on ice?

[{"id": "1720", "score": 1}, {"id": "98835", "score": 1}]

81561

test

2e413565-422e-494d-8cf6-644d384aeef2

Why are all force particles bosons?

[{"id": "123190", "score": 1}]

81414

test

f7dc01f9-701d-40ae-a993-6185560ac096

About hubble observatory and distant galaxies

[{"id": "26549", "score": 1}, {"id": "70725", "score": 1}, {"id": "92125", "score": 1}, {"id": "76927", "score": 1}, {"id": "25591", "score": 1}, {"id": "93653", "score": 1}, {"id": "57402", "score": 1}, {"id": "104937", "score": 1}, {"id": "12049", "score": 1}, {"id": "129073", "score": 1}, {"id": "112000", "score": 1}, {"id": "60519", "score": 1}, {"id": "131708", "score": 1}, {"id": "65547", "score": 1}, {"id": "112494", "score": 1}, {"id": "103060", "score": 1}, {"id": "104964", "score": 1}]

60900

test

1e21ee14-92a1-4266-bd29-ea6fcd578bb7

Can one do the maths of physics without using $\sqrt{-1}$?

[{"id": "95526", "score": 1}, {"id": "44959", "score": 1}, {"id": "105516", "score": 1}]

11396

test

4c8c1fb1-6ad9-44a3-95aa-afb120a0f4b8

How does the evolution of a solar system not break the second law of thermodynamics?

[{"id": "131204", "score": 1}, {"id": "132535", "score": 1}]

117205

test

6855e11f-cd73-4eca-b407-67d0a19ef7c4

Doughnut magnet

[{"id": "54615", "score": 1}]

123513

test

6b2abac0-c22c-41d9-8072-cccbc4f1bbc2

Why doesn't a bus blow due to internal pressure?

[{"id": "72072", "score": 1}]

64647

test

09c0a059-c5ab-4ec0-a501-1a335aa92d68

Exchange particles-real or just mathetical constructs?

[{"id": "4349", "score": 1}]

70463

test

4fc9bcbe-12e8-4e9d-ac84-12c2d86300c0

Why do we observe opposite motion of trees (nearer) and trees (distant) when seen from a moving frame?

[{"id": "114748", "score": 1}, {"id": "116425", "score": 1}]

130999

test

8056dd7c-d888-4a22-b3ae-b0bd6b21951c

How does the curiosity rover get it's power?

[{"id": "34203", "score": 1}]

35645

test

544d116f-0584-4d77-a204-9942e5dd922e

Measuring extra-dimensions

[{"id": "29327", "score": 1}, {"id": "104800", "score": 1}]

22542

test

6d018866-8940-4f78-8104-0ea201372eda

What's the difference between electron movement and charge movement in electricity?

[{"id": "17741", "score": 1}, {"id": "102566", "score": 1}, {"id": "31355", "score": 1}]

38313

test

66b11add-dac6-4169-a81c-f59b6ce8b7b4

Planck length implies lattice structure of space?

[{"id": "33273", "score": 1}, {"id": "109800", "score": 1}]

69855

test

c0bc2f6b-d9ad-402a-972e-d9503bb1bd4a

Radiation– white vs black house, hot or cool?

[{"id": "95388", "score": 1}]

95053

test

20f7def1-700f-41c0-84ef-e5fa4bb34d96

What sort of jobs do physics graduates with B.Sc/M.Sc get?

[{"id": "7477", "score": 1}]

6582

test

df1fde8c-ac95-4c38-b3f5-0d629d226313

String Theory- Are strings the end? What are they made of?

[{"id": "46573", "score": 1}]

90128

test

61be30bf-07a1-4731-8010-39f64ce88ae9

Why is the earth shaped like a sphere and not any other shape: cube, prism?

[{"id": "26297", "score": 1}]

120124

test

f4d6831e-f833-4499-9176-d36977b36939

The meaning of imaginary time

[{"id": "123156", "score": 1}]

46798

test

5ecae35b-1335-461d-aebe-fc2b9018905d

How does heat actually stay kept in the carbon molecules in the atmosphere?

[{"id": "9296", "score": 1}]

119103

test

a0b3f461-a716-4f5d-b535-c6e2c7b05a21

Spectrum of Free Strings

[{"id": "22159", "score": 1}]

26992

test

e70f9cdc-6ae1-445f-a38e-ecc87a6645d3

Good book about elementary particles for high school students?

[{"id": "36057", "score": 1}]

9389

test

674c801a-2f48-4a8b-98a1-dc4c32d9da69

Spinning of the Earth

[{"id": "29235", "score": 1}]

107746

test

82388014-b826-45f1-b742-ed4d1a71dd5a

Linear motion with variable acceleration

[{"id": "128765", "score": 1}]

41741

test

5f5a18e4-7af5-44d6-b3d1-239f04373dde

Problem about entropy

[{"id": "123817", "score": 1}]

123743

test

8c40ddff-882f-48c6-b91f-34398bd2f4a9

Wave theory limit of geometric optics?

[{"id": "65237", "score": 1}]

73813

test

d318c276-7090-45f9-bd5c-25924fc71f9e

Can a value of "length, in meters" be attributed to a pair of ends which are rigid (but not at rest) to each other?

[{"id": "99267", "score": 1}]

99779

test

5d03ae0e-0b22-4741-8b9b-920c559fa4e7

Why is a cycloid path the fastest way to roll a ball downward?

[{"id": "17524", "score": 1}]

46863

test

e8a71b05-1386-4d1d-ae6a-c2ab27154743

Why work to change velocity from 0 to 20 km/h is less then from 20 to 40?

[{"id": "535", "score": 1}, {"id": "123365", "score": 1}, {"id": "69169", "score": 1}]

58122

test

87f3bbc4-a864-4cea-bb7d-7a68e050fe33

How can we know that a black hole exists?

[{"id": "29696", "score": 1}]

111959

test

c5850f95-88d7-4c27-a319-f14366cbc6db

Is it pions or gluons that mediate the strong force between nucleons?

[{"id": "20047", "score": 1}]

9663

test

f4048378-7932-4e38-aeeb-4336600725af

An example of non-Hamiltonian systems

[{"id": "106876", "score": 1}]

34834

test

f1869321-1f96-414e-8a5e-a408db4924ca

Red color has largest wavelenght and violet minimum (in the range of visible light). then why does violet light appears reddish? RED + BLUE = VIOLET

[{"id": "40763", "score": 1}, {"id": "75710", "score": 1}, {"id": "73003", "score": 1}]

103448

test