Question stringlengths 2 3k | label int64 0 1 |
|---|---|
What is the best method to delete all email on Yahoo? | 0 |
7. A parallel plate capacitor has $1 \mu \mathrm{F}$ capacitance. One of its two plates is given $+2 \mu \mathrm{C}$ charge and the other plate $+4 \mu \mathrm{C}$ charge. The potential difference developed across the capacitor is
(a) $1 \mathrm{~V}$
(b) $5 \mathrm{~V}$
(c) $2 \mathrm{~V}$
(d) $3 \mathrm{~V}$ | 1 |
Who started producing comic strips and theories about them in 1827? | 0 |
33. The spread of frequency as observed by the passengers in $\operatorname{train} B$ is
(a) 310 Hz
(b) 330 Hz
(c) 350 Hz
(d) 290 Hz | 1 |
Though one person typically creates the comic, there are usually a number of what involved in actually designing it? | 0 |
Which one should I buy: Seagate Backup Plus Slim or Western Digital My Passport Ultra? | 0 |
Why are children still being told lies about how to cope with bullying properly? | 0 |
6.11 A body constrained to move along the z -axis of a coordinate system is subject to a constant force $\mathbf{F}$ given by
$$
\mathbf{F}=-\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+3 \hat{\mathbf{k}} \mathrm{N}
$$
where $\hat{\mathbf{i}}, \hat{\mathbf{j}}, \hat{\mathbf{k}}$ are unit vectors along the $x$-, $y$ - and $z$-... | 1 |
Why my body temperature is changing daily? | 0 |
1. The increasing order of boiling points of the following compounds is :
(a) I $<$ III $<$ IV $<$ II
(b) I $<$ IV $<$ III $<$ II
(c) IV $<$ I $<$ II $<$ III
(d) III $<$ I $<$ II $<$ IV | 1 |
What fraction of land was under cultivation using the two-field system? | 0 |
18. The centre of mass of a non uniform rod of length $L$, whose mass per unit length varies as $\rho=\frac{k \cdot x^{2}}{L}$ where $k$ is a constant and $x$ is the distance of any point from one end is (from the same end)
(a) $\frac{3}{4} L$
(b) $\frac{1}{4} L$
(c) $\frac{1}{6} L$
(d) $\frac{2}{3} L$ | 1 |
Can you lose weight without exercising? | 0 |
What is the name of the doll themed museum located in New Delhi? | 0 |
5. In $\mathrm{KO}_{2}$, the nature of oxygen species and the oxidation state of oxygen atom are, respectively:
[
(a) Superoxide and -1
(b) Superoxide and $-1 / 2$
(c) Peroxide and $-1 / 2$
(d) Oxide and -2 | 1 |
45. In an acidic medium, ................ behaves as the strongest base. (nitrobenzene, aniline, phenol) | 1 |
How much does a castle cost? | 0 |
34. Equation of a straight line passing through the point $(2,3)$ and inclined at an angle of $\tan ^{-1}(1 / 2)$ with the line $y+2 x=5$ is
a. $y=3$
b. $x=2$
c. $3 x+4 y-18=0$
d. $4 x+3 y-17=0$ | 1 |
What are the side dishes go well with lentil soup? | 0 |
How many million tons of goods did port Eleusis transport in 2010? | 0 |
Who won the 2016 September 26th presidential debate between Trump and Hillary? | 0 |
48. Sodium thiosulphate is used in photography because of its
(a) reducing behaviour
(b) oxidising behaviour
(c) complex forming behaviour
(d) reaction with light | 1 |
What were some BPCL group discussion topics in 2014? | 0 |
33. Values of a for which $f(x)=0$ has exactly one negative root.
a. $(0,1)$
b. $(-\infty, 1)$
c. $(-1,1)$
d. $(1, \infty)$ | 1 |
2. A certain gas occupies 0.418 litre at $27^{\circ} \mathrm{C}$ and 740 mmHg . (i) What is its volume at STP? (ii) If the same gas weighs 3.00 g , what is its molecular weight?
(0.3704 litre. 181\$\cdot\$4) | 1 |
What random act of kindness have you done this week? | 0 |
How does Quora feel in regards to freedom of speech? | 0 |
35. In a certain region of space, the electric potential is $V(x, y, z)=A x y-B x^{2}+C y$, where $A, B$ and $C$ are positive constants.
(a) Calculate the $x, y$ and $z$-components of the electric field.
(b) At which points is the electric field equal to zero? | 1 |
What does this line from the St Francis prayer mean? | 0 |
Who are the richest people in Bitcoin? | 0 |
7. Choose the order that has the following $\mathrm{C}=\mathrm{O}$ groups correctly arranged with respect to increasing resonance stabilization.
(A) i < ii < iii
(B) $\mathrm{i}<\mathrm{iii}<\mathrm{ii}$
(C) ii $<$ i < ... | 1 |
33. If $V$, in the equation $\Lambda=\mathrm{sp}$. cond. $\times V$, is the volume in cc containing 1 eq. of the electrolyte; $V$ for a $\frac{\mathrm{N}}{10}$ solution will be
(a) 10 cc
(b) 100 cc
(c) 1000 cc
(d) $10,000 \mathrm{cc}$ | 1 |
What major event in India in 1857 caused migration of peformance artists into Hyderabad? | 0 |
What day in your life did you consider to be the best day ever? | 0 |
1. A set of solutions is prepared using $180 \mathrm{~g}$ of water as a solvent and $10 \mathrm{~g}$ of different non-volatile solutes A, B and C. The relative lowering of vapour pressure in the presence of these solutes are in the order [Given, molar mass of $A=100 \mathrm{~g} \mathrm{~mol}^{-1} ; B=200 \mathrm{~g} \m... | 1 |
7. A child is standing with folded hands at the centre of a platform rotating about its central axis. The kinetic energy of the system is $K$. The child now stretches his arms so that the moment of inertia of the system doubles. The kinetic energy of the system now is
(a) $2 K$
(b) $K / 2$
(c) $K / 4$
(d) $4 K$ | 1 |
Who was made pope in 1417? | 0 |
11. Two moles of a certain gas at a temperature $T_{0}=300 \mathrm{~K}$ were cooled isochorically so that the pressure of the gas got reduced 2 times. Then as a result of isobaric process, the gas is allowed to expand till its temperature got back to the initial value. Find the total amount of heat absorbed by gas in t... | 1 |
Who ruled most of India in the early 18th century? | 0 |
Which of the two promenades is referred to as The King's Way? | 0 |
79. The value of $\lim _{x \rightarrow a} \sqrt{a^{2}-x^{2}} \cot \frac{\pi}{2} \sqrt{\frac{a-x}{a+x}}$ is
a. $\frac{2 a}{\pi}$
c. $\frac{4 a}{\pi}$
d. $-\frac{4 a}{\pi}$
h. $-\frac{2 a}{\pi}$ | 1 |
early on American courts cited what cases? | 0 |
What type of fibre is Rajasthan ranked 2nd in production of? | 0 |
What is the relative percentage of fine-grained/coarse-grained (or clay/silt/sand/gravel) rock on Earth? | 0 |
2. A transverse wave is described by the equation $y=y_{0} \sin 2 \pi\left(f t-\frac{x}{\lambda}\right)$. The maximum particle velocity is four times the wave velocity if
(a) $\lambda=\frac{\pi y_{0}}{4}$
(b) $\lambda=\frac{\pi y_{0}}{2}$
(c) $\lambda=\pi y_{0}$
(d) $\lambda=2 \pi y_{0}$ | 1 |
25. The final product formed when methyl amine is treated with $\mathrm{NaNO}_{2}$ and $\mathrm{HCl}$ is:
(a) Diazomethane
(b) Methylalcohol
(c) Methylcyanide
(d) Nitromethane | 1 |
What are some major landforms in Texas, and how do they compare to the most famous landforms in Arizona? | 0 |
6. Figure shows a torch producing a straight light beam falling on a plane mirror at an angle $60^{\circ}$. The reflected beam makes a spot $P$ on the screen along $y$-axis. If at $t=0$, mirror starts rotating about the hinge $A$ with an angular velocity $\omega=1^{\circ}$ per second clockwise. Find the speed of the sp... | 1 |
1. Pick the correct options.
(a) Magnetic field is produced by electric charges only.
(b) Magnetic poles are only mathematical assumptions having no real existence.
(c) A north pole is equivalent to a clockwise current and a south pole is equivalent to an anticlockwise current.
(d) A bar magnet is equivalent to a l... | 1 |
107. If $\int_{0}^{t} \frac{b x \cos 4 x-a \sin 4 x}{x^{2}} d x=\frac{a \sin 4 t}{t}-1$, where $0<t<\frac{\pi}{4}$, then the values of $a, b$ are equal to
a. $\frac{1}{4}, 1$
b. $-1,4$
c. 2,2
d 2,4 | 1 |
What has the been a massive increase in the number of households with in Greece? | 0 |
What is it like to own and drive a Tesla? | 0 |
How can I easily find my ancestors' roots in India online? | 0 |
Example 1.23 Find the number of solutions of $\sin x=\frac{x}{10}$. | 1 |
1. Compute the magnitude of the following vectors:
$$
\vec{a}=\hat{i}+\hat{j}+k ; \quad \vec{b}=2 \hat{i}-7 \hat{j}-3 \hat{k} ; \quad \vec{c}=\frac{1}{\sqrt{3}} \hat{i}+\frac{1}{\sqrt{3}} \hat{j}-\frac{1}{\sqrt{3}} \hat{k}
$$ | 1 |
Example 10 Find the vector joining the points $\mathrm{P}(2,3,0)$ and $\mathrm{Q}(-1,-2,-4)$ directed from P to Q . | 1 |
15. $\mathrm{p} K_{\mathrm{a}}$ of a weak acid $(\mathrm{HA})$ and $\mathrm{p} K_{\mathrm{b}}$ of a weak base $(\mathrm{BOH})$ are 3.2 and 3.4 , respectively. The $\mathrm{pH}$ of their salt (AB) solution is
(a) 7.2
(b) 6.9
(c) 7.0
(d) 1.0 | 1 |
37. Determine the enthalpy change of the reaction.
$\mathrm{C}_{3} \mathrm{H}_{8}(\mathrm{~g})+\mathrm{H}_{2}(\mathrm{~g}) \rightarrow \mathrm{C}_{2} \mathrm{H}_{6}(\mathrm{~g})+\mathrm{CH}_{4}(\mathrm{~g})$, at $25^{\circ}$, using the given heat of combustion values under standard conditions:
Compound $\quad \mathrm... | 1 |
11.
 | 1 |
Why do we still have monarchies in UK and Canada? | 0 |
85. For any two vectors $\vec{a}$ and $\vec{b},(\vec{a} \times \hat{i}) \cdot(\vec{b} \times \hat{i})+(\vec{a} \times \hat{j}) \cdot(\vec{b} \times \hat{j})+(\vec{a} \times \hat{k}) \cdot(\vec{b} \times \hat{k})$ is always equal to
a. $\vec{a} \cdot \vec{b}$
b. $2 \vec{a} \cdot \vec{b}$
c. zero
d. none of these | 1 |
Bribes also halt unions, the protection of children in labor, and what? | 0 |
32. Estimate the average $\mathrm{S}-\mathrm{F}$ bond energy in $\mathrm{SF}_{6}$. The values of standard enthalpy of formation of $\mathrm{SF}_{6}(\mathrm{~g}), \mathrm{S}(\mathrm{g})$ and $\mathrm{F}(\mathrm{g})$ are $:-1100,275$ and $80 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. | 1 |
Why is Facebook blocked in China? | 0 |
Where is the G.M.C. Balayohi Stadium located? | 0 |
13. $O A B C$ is a regular tetrahedron in which $D$ is the circumcentre of $\triangle O A B$ and $E$ is the midpoint of edge $A C$. Prove that $D E$ is equal to half the edge of tetrahedron. | 1 |
Where do helium-filled balloons go once they are released into the air? | 0 |
- Example 1.80 Show that the four lines $a x \pm b y \pm c=0$ enclose a rhombus whose area is $\frac{2 c^{2}}{(a b)}$. | 1 |
The National Philatelic Museum is located in which large Indian city? | 0 |
61. Compounds $P$ and $R$ upon ozonolysis produce $Q$ and $S$, respectively. The molecular formula of $Q$ and $S$ is $\mathrm{C}_{8} \mathrm{H}_{8} \mathrm{O} . Q$ undergoes Cannizzaro reaction but not haloform reaction, whereas $S$ undergoes haloform reaction but not Cannizzaro reaction
(i) $P \xrightarrow[\text { ii... | 1 |
Why did Lord Krishna marry Rukmini, when he was in love with Radha? | 0 |
How do I get an H1B visa to the USA? | 0 |
20. A possible means for making an airplane invisible to radar is to coat the plane with an anti reflective polymer. If radar waves have a wavelength of $3.00 \mathrm{~cm}$ and the index of refraction of the polymer is $\mu=1.5$. How thick is the oil film? Refractive index of the material of airplane wings is greater t... | 1 |
What are your views on de legitimization of 500 Rs and 1000 Rs note by Government of India? | 0 |
12. If $y=\log _{\sin x}(\tan x)$, then $\left(\frac{d y}{d x}\right)_{\pi / 4}$ is equal to
a. $\frac{4}{\log 2}$
b. $-4 \log 2$.
c. $\frac{-4}{\log 2}$
d. None of these | 1 |
When was Renaissance Humanism developed? | 0 |
2015 pass out mechanical engineer, still looking for job in manufacturing companies. Should I try more in my interest or change my profile? | 0 |
3.100. A long round cylinder made of uniform dielectric is placed in a uniform electric field of strength $\mathbf{E}_{0}$. The axis of the cylinder is perpendicular to vector $\mathbf{E}_{0}$. Under these conditions the dielectric becomes polarized uniformly. Making use of the result obtained in the foregoing problem,... | 1 |
What are some of the biggest scams/cons in modern history? | 0 |
Is there any relation between Indians and Red Indians? | 0 |
17. The total number of possible isomers for square-planar $\left[\mathrm{Pt}(\mathrm{Cl})\left(\mathrm{NO}_{2}\right)\right.$ $\left.\left(\mathrm{NO}_{3}\right)(\mathrm{SCN})\right]^{2-}$ is:
(a) 16
(b) 12
(c) 8
(d) 24 | 1 |
How do you solve the following recurrence using the substitution method? | 0 |
4. A body is in pure rotation. The linear speed $v$ of a particle, the distance $r$ of the particle from the axis and the angular velocity $\omega$ of the body are related as $\omega=\frac{v}{r}$. Thus
(a) $\omega \propto \frac{1}{r}$
(b) $\omega \propto r$
(c) $\omega=0$
(d) $\omega$ is independent of $r$. | 1 |
17. is $2 \frac{d^{2} z}{d y^{2}}$ at $x=\frac{2 \pi}{9}$ is | 1 |
8. A function $f$ has domain $[-1,2]$ and range $[0,1]$. Find the domain and range of the function $g$. defined by $g(x)=1$ $-f(x+1)$. | 1 |
What did the territory the Soviet Union maintained as satellite states, later became known as? | 0 |
The forebrain during development is known as what? | 0 |
4. Consider a planet moving in an elliptical orbit round the sun. The work done on the planet by the gravitational force of the sun
(a) is zero in any small part of the orbit (b) is zero in some parts of the orbit
(c) is zero in one complete revolution
(d) is zero in no part of the motion. | 1 |
Did women in the studys become aroused to heterosexual stimulation? | 0 |
What actions caused the decline of the Mughal Empire? | 0 |
Do animals other than humans suicide? | 0 |
6. One mole of an ideal monoatomic gas at temperature $T_{0}$ expands slowly according to the law $\frac{p}{V}=$ constant. If the final temperature is $2 T_{0}$, heat supplied to the gas is
(a) $2 R T_{0}$
(b) $\frac{3}{2} R T_{0}$
(c) $R T_{0}$
(d) $\frac{1}{2} R T_{0}$ | 1 |
4. If the wavelength of light in an experiment on photoelectric effect is doubled,
(a) the photoelectric emission will not take place
(b) the photoelectric emission may or may not take place
(c) the stopping potential will increase
(d) the stopping potential will decrease. | 1 |
13. A heavy ball moving with speed $v$ collides with a tiny ball. The collision is elastic, then immediately after the impact, the second ball will move with a speed approximately equal to
(a) $v$
(b) $2 v$
(c) $\frac{v}{2}$
(d) $\frac{v}{3}$ | 1 |
What are the best screenshots taken? | 0 |
Since all of the sites out there promising easy money are fake. Then what ways are there to earn easy money online? | 0 |
Can I put a sleep number matress on a platform frame? | 0 |
29. If $S$ be the area of the region enclosed by $y=e^{-x^{2}}, y=0, x=0$ and $x=1$. Then,
(a) $S \geq \frac{1}{e}$
(b) $S \geq 1-\frac{1}{e}$
(c) $S \leq \frac{1}{4} 1+\frac{1}{\sqrt{e}}$
(d) $S \leq \frac{1}{\sqrt{2}}+\frac{1}{\sqrt{e}} 1-\frac{1}{\sqrt{2}}$ | 1 |
What are some parasites included in the Platyhelminthes group? | 0 |
Omniprestent gods helped build what? | 0 |
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