Question stringlengths 2 3k | label int64 0 1 |
|---|---|
What are non-intense feelings that lack a contextual stimulus called? | 0 |
What’s the latest news for satellites and planets? | 0 |
Is hormone therapy for transgender safe over the long term? | 0 |
How do you know when you love somebody? | 0 |
9. Mark out the correct options.
(a) The energy of any small part of a string remains constant in a travelling wave.
(b) The energy of any small part of a string remains constant in a standing wave.
(c) The energies of all the small parts of equal length are equal in a travelling wave.
(d) The energies of all the small... | 1 |
9. Let $[x]$ denotes the greatest integer less than or equal to $x$. If $f(x)=[x \sin \pi x]$, then $f(x)$ is
$(1986,2 \mathrm{M})$
(a) continuous at $x=0$
(b) continuous in $(-1,0)$
(c) differentiable at $x=1$
(d) differentiable in $(-1,1)$ | 1 |
Does the Milky Way revolve around anything? | 0 |
9. Twenty grams of HI is heated at $327^{\circ} \mathrm{C}$ in a bulb of 1 -litre capacity. Calculate the volume percentage of $\mathrm{H}_2, \mathrm{I}_2$ and HI at equilibrium. Given that the mass law constant for the equation $2 \mathrm{HI} \rightleftharpoons \mathrm{H}_2+\mathrm{I}_2$ is 0.0559 at $327^{\circ} \mat... | 1 |
1. Let $p \lambda^{4}+q \lambda^{3}+r \lambda^{2}+s \lambda+t=\left|\begin{array}{ccc}\lambda^{2}+3 \lambda & \lambda-1 & \lambda+3 \\ \lambda+1 & -2 \lambda & \lambda-4 \\ \lambda-3 & \lambda+4 & 3 \lambda\end{array}\right|$ be an identity in $\lambda$, where $p, q, r, s$ and $t$ are constants. Then, the value of $t$ ... | 1 |
What is the difference between prototype and model? | 0 |
28. Given that $P=12, Q=5$ and $R=13$ also $\mathbf{P}+\mathbf{Q}=\mathbf{R}$, then the angle between $\mathbf{P}$ and $\mathbf{Q}$ will be
(a) $\pi$
(b) $\frac{\pi}{2}$
(c) zero
(d) $\frac{\pi}{4}$ | 1 |
11. Which of the following combinations about the structural formula for a compound correct?
\section*{Compound}
(A) Diol
(B) Methyl 2-oxopent-3-enoate
(C) 5-formylpent-2-ol
(D) 3-carboxy-3-chlorobutan-2-ol | 1 |
20. In the context of the Hall - Heroult process for the extraction of $\mathrm{Al}$, which of the following statements is false?
(a) $\mathrm{Al}^{3+}$ is reduced at the cathode to form $\mathrm{Al}$
(b) $\mathrm{Na}_{3} \mathrm{AlF}_{6}$ serves as the electrolyte
(c) $\mathrm{CO}$ and $\mathrm{CO}_{2}$ are produ... | 1 |
56. The maximum area of the triangle formed by the complex coordinates $z, z_{1}, z_{2}$ which satisfy the relations $\left|z-z_{1}\right|=\mid z-z_{2}$ and $\left|z-\left(z_{1}+z_{2}\right) / 2\right| \leq r$, where $r>\left|z_{1}-z_{2}\right|$ is
a. $\frac{1}{2}\left|z_{1}-z_{2}\right|^{2}$
b. $\frac{1}{2}\left|z_{1}... | 1 |
13 so The Fermi energy for copper is 7.00 eV . For copper at 1000 K , (a) find the energy of the energy level whose probability of being occupied by an electron is 0.900 . For this energy, evaluate (b) the density of states $N(E)$ and (c) the density of occupied states $N_{\mathrm{o}}(E)$. | 1 |
22. A lamina is made by removing a small disc of diameter $2 R$ from a bigger disc of uniform mass density and radius $2 R$, as shown in the figure. The moment of inertia of this lamina about axes passing through $O$ and $P$ is $I_{O}$ and
$ are joined together by a pulley. When the mass $m_{1}$ is released from the height $h$ above the floor, it strikes the floor with a speed
(a) $\sqrt{2 g h \frac{m_{1}-m_{2}}{m_{1}+m_{2}}}$
(b) $\sqrt{2 g h}$
(c) $\sqrt{\frac{2 m_{2} g h}{m_{1}+m_{2}}}$
(d) $\sqr... | 1 |
What type of idea did he pose which was focused on facets of humanism? | 0 |
46. When acetaldehyde is heated with Fehling's solution it gives a precipitate of
(a) $\mathrm{Cu}$
(b) $\mathrm{CuO}$
(c) $\mathrm{Cu}_{2} \mathrm{O}$
(d) $\mathrm{Cu}+\mathrm{Cu}_{2} \mathrm{O}+\mathrm{CuO}$ | 1 |
11. In a head-on elastic collision of two bodies of equal masses
(a) the velocities are interchanged
(b) the speeds are interchanged
(c) the momenta are interchanged
(d) the faster body slows down and the slower body speeds up. | 1 |
35. While conducting the Young's double slit experiment, a student replaced the two slits with a large opaque plate in the $x-y$ plane containing two small holes that act as two coherent point sources $\left(S_{1}, S_{2}\right)$ emitting light of wavelength $600 \mathrm{~mm}$. The student mistakenly placed the screen p... | 1 |
1. An ideal gas is taken from the state $A$ (pressure $p$, volume $V$ ) to the state $B$ (pressure $\frac{p}{2}$, volume $2 V$ ) along a straight line path in the $p$ - $V$ diagram. Select the correct statement(s) from the following.
(a) The work done by the gas in the process $A$ to $B$ is negative
(b) In the $T$ - ... | 1 |
Is there any relation between creators of Bleach, Naruto and One Piece? | 0 |
16. $P Q$ is an infinite current carrying conductor. $A B$ and $C D$ are smooth conducting rods on which a conductor $E F$ moves with constant velocity $v$ as shown. The force needed to maintain constant speed of $E F$ is
 gives cellulose triacetate whose structure is
$[2008 S]$
(a)
(b)
 $\frac{E}{B s}$
(b) $\frac{E s}{B}$
(c) $\f... | 1 |
29. $\int \frac{\cos 4 x-1}{\cot x-\tan x} d x$ is equal to
a. $\frac{1}{2} \ln |\sec 2 x|-\frac{1}{4} \cos ^{2} 2 x+c$
b. $\frac{1}{2} \ln |\sec 2 x|+\frac{1}{4} \cos ^{2} x+c$
c. $\frac{1}{2} \ln |\cos 2 x|-\frac{1}{4} \cos ^{2} 2 x+c$
d. $\frac{1}{2} \ln |\cos 2 x|+\frac{1}{4} \cos ^{2} x+c$ | 1 |
How do I pass a job interview? | 0 |
What are the best books for preparing for the MPPSC prelims exam? | 0 |
1. In the figure shown, $C_{1}=4 \mu \mathrm{F}$ (without dielectric) and $C_{2}=4 \mu \mathrm{F}$ (with a dielectric slab of dielectric constant $K=2)$. Now, the same slab after removing from $C_{2}$ is filled in $C_{1}$. Then, match the following two columns.
| Column I | Column II |
| :--- | :--- |
| (a) Charge on ... | 1 |
1. Find the ionisation energy of a doubly ionized lithium atom. | 1 |
20. Tangents drawn from the point $P(1,8)$ to the circle $x^{2}+$ $y^{2}-6 x-4 y-11=0$ touch the circle at the points $A$ and $B$. The equation of the circumcircle of the triangle $P A B$ is
a. $x^{2}+y^{2}+4 x-6 y+19=0$
b. $x^{2}+y^{2}-4 x-10 y+19=0$
c. $x^{2}+y^{2}-2 x+6 y-20$
d. $x^{2}+y^{2}-6 x-4 y+19=0$ | 1 |
4. Helium gas goes through a cycle ABCDA (consisting of two isochoric and isobaric lines) as shown in figure Efficiency of this cycle is nearly : (Assume the gas to be close to ideal gas)
... | 1 |
What is the impact of the placebo effect? | 0 |
How can I see my friends chatting on WhatsApp? | 0 |
9. A block $P$ of mass $m$ is placed on a horizontal frictionless plane. A second block of same mass $m$ is placed on it and is connected to a spring of spring constant $k$, the two blocks are pulled by a distance $A$. Block $Q$ oscillates without slipping. What is the maximum value of frictional force between the two ... | 1 |
What made Tata group chairman Cyrus Mistry to quit? | 0 |
Example 7.36 Evaluate $\int \sin \left(e^{x}\right) d\left(e^{x}\right)$. | 1 |
How can we be sure that what you say is what you really mean and that you are not merely saying it to appease/convince your voter base? | 0 |
13. A beam of light parallel to central line $A B$ is incident on the plane of slits. The number of minima obtained on the large screen is $n_{1}$. Now if the beam is tilted by some angle ( $\neq 90^{\circ}$ ) as shown in figure, then the number of minima obtained is $n_{2}$. Then,
(a) $n_{1}=n_{2}$
(b) $n_{1}>n_{2}$
(... | 1 |
20What is the binding energy per nucleon of ${ }^{262} \mathrm{Bh}$ ? The mass of the atom is 262.1231 u . | 1 |
I am a BTech computer science 2014 pass out. I don't have any interest in programming, but I want to make my career in IT. What are some other technology domains that I should explore? | 0 |
What is wrong with the car in the description and how much would it cost to get fixed? | 0 |
Does deleting a Quora account delete all answers, comments, and other past public actions by the user? | 0 |
Are you very vocal when you have an orgasm? | 0 |
Padma Vibhushan E. Sreedharan was popularly known by what nickname? | 0 |
Is it possible to walk faster than the speed of light? | 0 |
What are the best ways to become a millionaire? | 0 |
34. If $x^{2}+x+1=0$, then the value of $(x+1 / x)^{2}+\left(x^{2}+1 / x^{2}\right)^{2}+\cdots+$ $\left(x^{27}+1 / x^{27}\right)^{2}$ is
a. 27
b. 72
c. 45
d. 54 35. If $\omega$ be a complex $n^{\text {th }}$ root of unity, then $\sum_{r=1}^{n}(a r+b) \omega^{r-1}$ is
equal to
a. $\frac{n(n+1) a}{2}$
b. $\frac{n b}{1-n}... | 1 |
What are some start-up ideas in India? | 0 |
3. The complex numbers $z=x+i y$ which satisfy the equation $|(z-5 i) /(z+5 i)|=1$ lie on
a. the $x$-axis
b. the straight line $y=5$
c. a circle passing through the origin
d. none of these | 1 |
Is it correct to say "she says me"? | 0 |
8. A particle is projected in a plane perpendicular to a uniform magnetic field. The area bounded by the path described by the particle is proportional to
(a) the velocity
(b) the momentum
(c) the kinetic energy
(d) none of these. | 1 |
16. Total number of resonating structure is :
(A) 2
(B) 3
(C) 4
(D) 5 | 1 |
What is the worst mental illness to have? | 0 |
What is a popular name for the Telugu film industry? | 0 |
Who ruled most of India in the 18 century? | 0 |
13. Two Faraday of electricity is passed through a solution of $\mathrm{CuSO}_{4}$. The mass of copper deposited at the cathode is
(at. mass of $\mathrm{Cu}=63.5 \mathrm{amu}$ )
(a) $2 \mathrm{~g}$
(b) $127 \mathrm{~g}$
(c) $0 \mathrm{~g}$
(d) $63.5 \mathrm{~g}$ | 1 |
Why do you look in the mirror? | 0 |
I am on my way to becoming a high school science teacher. I have recently found out that most teachers I have met work an average of 60 hours per week. I need a better work-life balance. How can science teachers save time? | 0 |
When did Britain decide to call its territories the British Overseas Territories? | 0 |
5. The circle passing through $(1,-2)$ and touching the axis of $x$ at $(3,0)$ also passes through the point
(a) $(-5,2)$
(b) $(2,-5)$
(c) $(5,-2)$
(d) $(-2,5)$ | 1 |
1. Identify the correct statement related to the projectile motion.
(a) It is uniformly accelerated everywhere
(b) It is uniformly accelerated everywhere except at the highest position where it is moving with constant velocity
(c) Acceleration is never perpendicular to velocity
(d) None of the above | 1 |
2. The area (in sq units) of the region $\left\{(x, y): y^{2} \geq 2 x\right.$ and $\left.x^{2}+y^{2} \leq 4 x, x \geq 0, y \geq 0\right\}$ is
(a) $\pi-\frac{4}{3}$
(b) $\pi-\frac{8}{3}$
(c) $\pi-\frac{4 \sqrt{2}}{3}$
(d) $\frac{\pi}{2}-\frac{2 \sqrt{2}}{3}$ | 1 |
When did Americans really begin to establish their own laws independent of the English? | 0 |
How many emotional categories did Turner recognize as being founded on human neurology? | 0 |
16. $\Delta G^{\circ}$ of the cell reaction $\mathrm{AgCl}(\mathrm{s})+\frac{1}{2} \mathrm{H}_{2}(\mathrm{~g})=\mathrm{Ag}(\mathrm{s})+\mathrm{H}^{+}+\mathrm{Cl}^{-}$is $-21.52 \mathrm{~kJ} . \Delta G^{\circ}$ of $2 \mathrm{AgCl}(\mathrm{s})+\mathrm{H}_{2}(\mathrm{~g})=2 \mathrm{Ag}(\mathrm{s})+2 \mathrm{H}^{+}+2 \math... | 1 |
14. In an atom how many orbital(s) will have the quantum numbers; $n=3, l=2$ and $m_{l}=+2 ?$
(a) 5
(b) 3
(c) 1
(d) 7 | 1 |
5. If $(1+x)^{15}=C_{0}+C_{1} x+C_{2} x^{2}+\cdots+C_{15} x^{15}$, then find the sum of $C_{2}+2 C_{3}+3 C_{4}+\cdots+14 C_{15}$. | 1 |
In the development of which religions did Magadha participate? | 0 |
4. Assertion : Discharging graphs of two $C$ - $R$ circuits having the same value of $C$ is shown in figure. From the graph we can say that $\tau_{C_{1}}>\tau_{C_{2}}$.
Reason: $R_{1}>R_{2... | 1 |
6. $\lim _{x \rightarrow 1} \frac{\sqrt{1-\cos 2(x-1)}}{x-1}$
a. exists and it equals $\sqrt{2}$
h. exists and it equals $-\sqrt{ } 2$
c. does not exist because $x-1 \rightarrow 0$
d does not exist because the left-hand limit is not equal to the right-hand limit | 1 |
2. The tangent and normal to the ellipse $3 x^{2}+5 y^{2}=32$ at the point $P(2,2)$ meets the $X$-axis at $Q$ and $R$, respectively. Then, the area (in sq units) of the $\triangle P Q R$ is
(a) $\frac{16}{3}$
(b) $\frac{14}{3}$
(c) $\frac{34}{15}$
(d) $\frac{68}{15}$ | 1 |
18. If $A=\left[\begin{array}{cc}0 & -\tan \frac{\alpha}{2} \\ \tan \frac{\alpha}{2} & 0\end{array}\right]$ and I is the identity matrix of order 2 , show that
$\mathrm{I}+\mathrm{A}=(\mathrm{I}-\mathrm{A})\left[\begin{array}{rr}\cos \alpha & -\sin \alpha \\ \sin \alpha & \cos \alpha\end{array}\right]$ | 1 |
What do sperm taste like? | 0 |
55. For gaseous state if most probable speed is denoted by $C^{*}$, average speed by $\bar{C}$ and root square speed by $C$, then for a large number of molecules, the ratio of these speeds are
(a) $C^{*}: \bar{C}: C=1.225: 1.128: 1$
(b) $C^{*}: \bar{C}: C=1.128: 1.225: 1$
(c) $C^{*}: \bar{C}: C=1: 1.128: 1.225$
(d) $C^... | 1 |
If I block someone in my Instagram and I decide to send a direct message, can she/he read that DM even if I block her/him? | 0 |
What is it like to be in an arranged marriage? | 0 |
2. A thermally insulated vessel contains $150 \mathrm{~g}$ of water at $0^{\circ} \mathrm{C}$. Then, the air from the vessel is pumped out adiabatically. A fraction of water turns into ice and the rest evaporates at $0^{\circ} \mathrm{C}$ itself. The mass of evaporated water will be closest to
(Latent heat of vaporisa... | 1 |
8. A solid sphere of radius $r$ made of a soft material of bulk modulus $K$ is surrounded by a liquid in a cylindrical container. A massless piston of area $a$ floats on the surface of the liquid, covering entire cross-section of cylindrical container. When a mass $m$ is placed on the surface of the piston to compress ... | 1 |
How do I last longer with sex? | 0 |
When India was split into Hindu and Muslim areas, what country did the Muslim area become? | 0 |
Comics were quoted as a sabotage of art and what? | 0 |
Ex. 57.1 gram ${ }^{226} \mathrm{Ra}$ is placed in an evacuated tube whose volume is 5 cc . Assuming that each Ra nucleus yields four He atoms which are retained in the tube, what
will be the partial pressures at $27^{\circ} \mathrm{C}$ of He produced at the end of a year? $t_{\frac{1}{2}}$ for Ra is 1590 years. | 1 |
How do I remove my yellow fake nails? | 0 |
Illustration 2.82 If $\vec{a}, \vec{b}$ and $\vec{c}$ are three non-coplanar vectors, then prove that
$$
\vec{d}=\frac{\vec{a} \cdot \vec{d}}{[\vec{a} \vec{b} \vec{c}]}(\vec{b} \times \vec{c})+\frac{\vec{b} \cdot \vec{d}}{[\vec{a} \vec{b} \vec{c}]}(\vec{c} \times \vec{a})+\frac{\vec{c} \cdot \vec{d}}{[\vec{a} \vec{b} ... | 1 |
How long does a Xanax stay in your system? | 0 |
What do some theories believe? | 0 |
59. The correct statement(s) regarding the binary transition metal carbonyl compounds is (are) (Atomic numbers: $\mathrm{Fe}=26, \mathrm{Ni}=28$ )
[Adv. 2018]
(a) Total number of valence shell electrons at metal centre in $\mathrm{Fe}(\mathrm{CO})_{5}$ or $\mathrm{Ni}(\mathrm{CO})_{4}$ is 16
(b) These are predominan... | 1 |
57. Let $r, s$ and $t$ be the roots of the equation, $8 x^{3}+1001 x+2008$ $=0$. The value of $(r+s)^{3}+(s+t)^{3}+(t+r)^{3}$ is
a. 251
b. 751
c. 735
d. 753 | 1 |
62. A small block of superdense material has a mass of $3 \times 10^{24} \mathrm{~kg}$. It is situated at a height $h$ (much smaller than the earth's radius) from where it falls on the earth's surface. Find its speed when its height from the earth's surface has reduced to $h / 2$. The mass of the earth is $6 \times 10^... | 1 |
38. $\mathrm{AsO}_{3}^{3-}+\mathrm{IO}_{3}^{-}=\mathrm{AsO}_{4}^{3-}+\mathrm{I}^{-}$ | 1 |
What does Amit Ghosh recommend for passive revenue? | 0 |
Why has this engineering life become so miserable? | 0 |
142. Equation of a line which is parallel to the line common to the pair of lines given by $6 x^{2}-x y-12 y^{2}=0$ and $15 x^{2}+14 x y-8 y^{2}=0$ and at a distance 7 from it is
a. $3 x-4 y=-35$
b. $5 x-2 y=7$
c. $3 x+4 y=35$
d. $2 x-3 y=7$ | 1 |
How large can a tunnel boring machines feasibly get? | 0 |
101. State with balanced equations what happens when :
(i) Write balanced equations for the reaction of zinc with dilute nitric acid.
(ii) Write a balanced equation for the reaction of argentite with $\mathrm{KCN}$ and name the products in solution.
(iii) $\left[\mathrm{MnO}_{4}\right]^{2-}+\mathrm{H}^{+} \longrig... | 1 |
Ex. 40. At $18^{\circ} \mathrm{C}$ the mobilities of $\mathrm{NH}_{4}^{+}$and $\mathrm{ClO}_{4}^{-}$ions are $6.6 \times 10^{-4}$ and $5.7 \times 10^{-4} \mathrm{~cm}^{2}$ volt $^{-1} \mathrm{~s}^{-1}$ at infinite dilution. Calculate equivalent conductance of ammonium chlorate solution. | 1 |
What are things that I must do to improve my concentration? | 0 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.