Question stringlengths 2 3k | label int64 0 1 |
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3. An open beaker of water in equilibrium with water vapour is in a sealed container. When a few grams of glucose are added to the beaker of water, the rate at which water molecules :
(a) leaves the vapour increases
(b) leaves the solution increases
(c) leaves the solution decreases
(d) leaves the vapour decrease... | 1 |
If Donald Trump wins presidential election, what will happen? | 0 |
17. A steady current flows in a metallic conductor of non-uniform cross-section. The quantity/quantities constant along the length of the conductor is/are
(1997, 1M)
(a) current, electric field and drift speed
(b) drift speed only
(c) current and drift speed
(d) current only | 1 |
How can I befriend a girl in Mumbai? | 0 |
2. If the speed of a rod moving at a relativistic speed parallel to its length is doubled,
(a) the length will become half of the original value
(b) the mass will become double of the original value
(c) the length will decrease
(d) the mass will increase. | 1 |
What part of Greece's GDP is accounted for by tourism? | 0 |
33. The relationship between the force $F$ and position $x$ of a body is as shown in figure. The work done in displacing the body from $x=1 \mathrm{~m}$ to $x=5 \mathrm{~m}$ will be
(a) $30... | 1 |
How do I get patanjali distributorship in delhi? | 0 |
When do you use "very appreciated" versus "much appreciated"? | 0 |
Why do I pronounce the sound of E as A? | 0 |
What can affect how a person is treated? | 0 |
2. If the source and receiver are at rest relative to each other but the wave medium is moving relative to them, will the receiver detect any wavelength or frequency shift. | 1 |
Is psychology a science? | 0 |
What is the best free online dating site? | 0 |
7. If $I=\int \frac{\sin x+\sin ^{3} x}{\cos 2 x} d x=P \cos x+Q \log |f(x)|+R$, then
a. $P=1 / 2, Q=-\frac{3}{4 \sqrt{2}}$
b. $P=1 / 4, Q=-\frac{1}{\sqrt{2}}$
c. $f(x)=\frac{\sqrt{2} \cos x+1}{\sqrt{2} \cos x-1}$
d. $f(x)=\frac{\sqrt{2} \cos x-1}{\sqrt{2} \cos x+1}$ | 1 |
What are some of your favourite impromptu magic tricks? | 0 |
Example 11 Two identical conducting rods are first connected independently to two vessels, one containing water at $100^{\circ} \mathrm{C}$ and the other containing ice at $0^{\circ} \mathrm{C}$. In the second case, the rods are joined end to end and connected to the same vessels. Let $q_{1}$ and $q_{2}$ gram per secon... | 1 |
2. While walking on ice, one should take small steps to avoid slipping. This is because smaller steps ensure
(a) larger friction
(b) smaller friction
(c) larger normal force
(d) smaller normal force. | 1 |
What should I do to beat boredom? | 0 |
Why do you love movies? | 0 |
Ex. 23. The equivalent weight of $\mathrm{MnSO}_{4}$ is half its molecular weight when it is converted to (a) $\mathrm{Mn}_{2} \mathrm{O}_{3}$ (b) $\mathrm{MnO}_{2}$ (c) $\mathrm{MnO}_{4}^{-}$(d) $\mathrm{MnO}_{4}^{2-}$. Indicate the correct answer. | 1 |
18. The time required to remove electrolytically one-fourth of Ag from 0.2 litre of $0.1 \mathrm{M} \mathrm{AgNO}_{3}$ solution by a current of 0.1 amp is
(a) 320 min
(b) 160 min
(c) 80 min
(d) 40 min | 1 |
10. $\int_{0}^{1} \frac{d x}{1+x^{2}}$ | 1 |
22. If $a \sin ^{-1} x-b \cos ^{-1} x=c$, then $a \sin ^{-1} x+b \cos ^{-1} x$ is equal to
a. 0
b \frac{\pi a b+c(b-a)}{a+b}$
c. $\frac{\pi}{2}$
d. $\frac{\pi a b+c(a-b)}{a+b}$ | 1 |
4. If $\int \frac{d x}{x^{3}\left(1+x^{6}\right)^{23}}=x f(x)\left(1+x^{6}\right)^{\frac{1}{3}}+C$
where, $C$ is a constant of integration, then the function $f(x)$ is equal to
(a) $-\frac{1}{6 x^{3}}$
(b) $-\frac{1}{2 x^{3}}$
(c) $-\frac{1}{2 x^{2}}$
(d) $\frac{3}{x^{2}}$ | 1 |
Where the first Germanic words for God masculine or feminine? | 0 |
I signed a bond with a company which states that I have to pay a sum of 1 lac rs if I leave the company for one year, as they provided me training. I have been working for four months and I didn't get any training from them so I want to leave the company. Are there any legal issues with this bond? | 0 |
Which of the following species will have the largest and the smallest size?
$\mathrm{Mg}, \mathrm{Mg}^{2+}, \mathrm{Al}, \mathrm{Al}^{3+}$. | 1 |
11. The equation $(x-\alpha)^{2}+(y-\beta)^{2}=k(l x+m y+n)^{2}$ represents
a. a parabola for $k<\left(l^{2}+m^{2}\right)^{-1}$
b. an ellipse for $0<k<\left(l^{2}+m^{2}\right)^{-1}$
c. a hyperbola for $k>\left(1^{2}+m^{2}\right)^{-1}$
d. a point circle for $k=0$ | 1 |
43. If the piston is pushed at a speed of $5 \mathrm{mms}^{-1}$, the air comes out of the nozzle with a speed of
(a) $0.1 \mathrm{~ms}^{-1}$
(b) $1 \mathrm{~ms}^{-1}$
(c) $2 \mathrm{~ms}^{-1}$
(d) $8 \mathrm{~ms}^{-1}$ | 1 |
Adam D'Angelo: What do you think of GiveWell? | 0 |
1. Using Bohr theory, calculate the radii of the first and the tenth orbits in the hydrogen atom.
$$
\left(r_1=0.53 \times 10^{-8} \mathrm{~cm}, r_{10}=0.53 \times 10^{-6} \mathrm{~cm}\right)
$$
[Hint: See examples 1 and 2.] | 1 |
How do you determine the chemical formula for sugar? | 0 |
5. How many five-digit numbers can be made having exactly two identical digits? | 1 |
Who referred to 'Suez Syndrome'? | 0 |
(c) How much energy $\left|Q_{\mathrm{H}}\right|$ is extracted as heat from the high-temperature reservoir every cycle? | 1 |
What is the Lewis structure for phosgene? How is it determined? | 0 |
What is the average resistance of the human body? | 0 |
What field of science strives to diagnose and treat diseases of the nervous system? | 0 |
What do mens sexual orientations tend be focused on? | 0 |
2.13. A tall cylindrical vessel with gaseous nitrogen is located in a uniform gravitational field in which the free-fall acceleration is equal to $g$. The temperature of the nitrogen varies along the height $h$ so that its density is the same throughout the volume. Find the temperature gradient $d T / d h$. | 1 |
2. A galvanometer of resistance $100 \Omega$ has 50 divisions on its scale and has sensitivity of $20 \mu \mathrm{A} /$ division. It is to be converted to a voltmeter with three ranges of $0-2 \mathrm{~V}, 0-10 \mathrm{~V}$ and $0-20 \mathrm{~V}$. The appropriate circuit to do so is
(a)
 Omeprazole
(b) Chloranphenicol
(c) Diphenhydramine
(d) Norethindrone | 1 |
27. If $f(2) \neq f(6)$, then the
a. fundamental period of $f(x)$ is 1
b. fundamental period of $f(x)$ may be 1
c. period of $f(x)$ cannot be 1
d. fundamental period of $f(x)$ is 8 | 1 |
How was JEE Main 2016? | 0 |
1. A typical riverborne silt particle has a radius of $20 \mu \mathrm{m}$ and a density of $2 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}$. The viscosity of water is $1.0 \mathrm{mPI}$. Find the terminal speed with which such a particle will settle to the bottom of a motionless volume of water. | 1 |
13. Let $C$ be a curve such that the normal at any point $P$ on it meets $x$-axis and $y$-axis at $A$ and $Y$ respectively. If $B P: P A=1: 2$ (internally) and the curve passes through the point $(0,4)$ then which of the following alternative(s) is/are correct?
(a) The curves passes through $(\sqrt{10},-6)$
(b) The e... | 1 |
Can dogs eat peanut butter? Are there any risks involved? | 0 |
50. According to Molecular Orbital Theory,
(a) $\mathrm{C}_{2}^{2-}$ is expected to be diamagnetic
(b) $\mathrm{O}_{2}^{2+}$ is expected to have a longer bond length than $\mathrm{O}_{2}$
(c) $\mathrm{N}_{2}^{+}$ and $\mathrm{N}_{2}^{-}$ have the same bond order
(d) $\mathrm{He}_{2}^{+}$ has... | 1 |
In what area did the Chola Empire establish political unity? | 0 |
What should people do when everything appears to be going wrong in their lives? | 0 |
28. Choose the correct reason(s) for the stability of the lyophobic colloidal particles.
(a) Preferential adsorption of ions on their surface from the solution
(b) Preferential adsorption of solvent on their surface from the solution.
(c) Attraction between different particles having opposite charges on their surfac... | 1 |
Along with the astrolabe, windmill and distilled spirits, what was a notable technological advancement of the 12th and 13th centuries? | 0 |
3. If $P=(x, y), F_{1}=(3,0), F_{2}=(-3,0)$ and $16 x^{2}+25 y^{2}=$ 400 , then $P F_{1}+P F_{2}$ equals
a. 8
b. 6
c. 10
d. 12 | 1 |
9. Which of the given values of $x$ and $y$ make the following pair of matrices equal $\left[\begin{array}{cc}3 x+7 & 5 \\ y+1 & 2-3 x\end{array}\right],\left[\begin{array}{cc}0 & y-2 \\ 8 & 4\end{array}\right]$
(A) $x=\frac{-1}{3}, y=7$
(B) Not possible to find
(C) $y=7, \quad x=\frac{-2}{3}$
(D) $x=\frac{-1}{3},... | 1 |
What material was used in Brutalist structures? | 0 |
Are left handed people more intelligent than right handed people? | 0 |
29 SSM A small spaceship with a mass of only $1.5 \times 10^{3} \mathrm{~kg}$ (including an astronaut) is drifting in outer space with negligible gravitational forces acting on it. If the astronaut turns on a 10 kW laser beam, what speed will the ship attain in 1.0 day because of the momentum carried away by the beam? | 1 |
Does anyone use Quora? | 0 |
3. If $f(x)=\cos \left[\pi^{2}\right] x+\cos \left[-\pi^{2}\right] x$, where $[x]$ stands for the greatest integer function, then
a. $f\left(\frac{\pi}{2}\right)=-1$
b. $f(\pi)=1$
c. $f(-\pi)=0$
d $f\left(\frac{\pi}{4}\right)=1$
(IIT-JEE, 1991) | 1 |
What is the best film of 2016? | 0 |
22. A man has 3 pairs of black socks and 2 pairs of brown socks kept together in a box. If he dressed hurriedly in the dark, the probability that after he has put on a black sock, he will then put on another black sock is
a. $1 / 3$
b. $2 / 3$
c. $3 / 5$
d. $2 / 15$ | 1 |
What makes one person more of a 'social media expert' than another person? | 0 |
Is it good to buy a laptop online? | 0 |
16. Calculate the uncertainty in the velocity of a wagon of mass 2000 kg , whose position is known to an accuracy of $\pm 10$ metre.
$$
\left(5.25 \times 10^{-31} \mathrm{~m} \mathrm{~s}^{-1}\right)
$$ | 1 |
79. At time $t=0$, a rock climber accidentally allows a piton to fall freely from a high point on the rock wall to the valley below him. Then, after a short delay, his climbing partner, who is 10 m higher on the wall, throws a piton downward. The positions $y$ of the pitons versus $t$ during the falling are given in Fi... | 1 |
How do I learn to accept my appearance? | 0 |
Example 5.3 Find the number of different signals that can be generated by arranging at least 2 flags in order (one below the other) on a vertical staff, if five different flags are available. | 1 |
7. If the two ends of a p-n junction are joined by a wire,
(a) there will not be a steady current in the circuit
(b) there will be a steady current from the n-side to the
p-side
(c) there will a steady current from the p-side to the
n-side
(d) there may or may not be a current depending upon
the resistance of the co... | 1 |
13. A ray of light, travelling in a medium of refractive index $\mu$, is incident at an angle $i$ on a composite transparent plate consisting of three plates of refractive indices $\mu_{1}, \mu_{2}$ and $\mu_{3}$. The ray emerges from the composite plate into a medium of refractive index $\mu_{4}$, at angle $x$. Then,
... | 1 |
1. Which of the following curves does not represent Boyle's law?
(a)
 D abuse's affectin me.Do d signs of abuse stay always? Was he worthy | 0 |
What is used to determine whether federal judicial power extends to formulating binding precedent? | 0 |
When did the liberalization of the telephone communications in Greece happen? | 0 |
25. Potassium crystallizes with b.c.c. lattice and has a density of $0.856 \times 10^{3} \mathrm{~kg} \mathrm{~m}^{-3}$. What is the length of the side of the unit cell, $a$, and what is the distance between (2 00 0 $)$, (1 110 ), and (2 2 2 2 ) planes? What is the closest distance between atoms, and what is the potass... | 1 |
Who manufactures Walmart's private label brand of Great Value soft drinks? | 0 |
In these studies when was the gender-noncomformity experienced? | 0 |
How can dogs get pregnant? | 0 |
Where was the military academy located? | 0 |
2. Find the distance of a point from the earth's centre where the resultant gravitational field due to the earth and the moon is zero. The mass of the earth is $6.0 \times 10^{24} \mathrm{~kg}$ and that of the moon is $7 \cdot 4 \times 10^{22} \mathrm{~kg}$. The distance between the earth and the moon is $4.0 \times 10... | 1 |
Which are some good romantic novels? | 0 |
Is the new 2000 rupees note polymer/plastic? Is it untearable? | 0 |
Which will be more durable, Lenovo Vibe K5 or Lenovo Vibe P1m? | 0 |
1.Lattice enthalpy and enthalpy of solution of $\mathrm{NaCl}$ are $788 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $4 \mathrm{~kJ} \mathrm{~mol}^{-1}$, respectively. The hydration enthalpy of $\mathrm{NaCl}$ is :
(a) $-780 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(b) $780 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(c) $-784 \mathrm{~kJ} \... | 1 |
5. $(1-i)-(-1+i 6)$ | 1 |
What are the best headphones under Rs. 2000 in India? | 0 |
How can I make money off apps? | 0 |
4. Among the following compounds most basic amino acid is:
[Main Jan. 12, $2019(I)]$
(a) Asparagine
(b) Lysine
(c) Serine
(d) Histidine | 1 |
13. The area bounded by the curve $a^{2} y=x^{2}(x+a)$ and the $x$-axis is
a. $a^{2} / 3$ sq. units
b. $a^{2} / 4$ sq. units
c. $3 a^{2} / 4$ sq. units
d $a^{2} / 12$ sq. units | 1 |
How would you describe the geography of Greece? | 0 |
22. The complex numbers $z=x+i y$ which satisfy the equation $\frac{z-5 i}{z+5 i}=1$, lie on
(1981, 2M)
(a) the $X$-axis
(b) the straight line $y=5$
(c) a circle passing through the origin
(d) None of the above | 1 |
4. The heat developed in a system is proportional to the current through it.
(a) It cannot be Thomson heat.
(b) It cannot be Peltier heat.
(c) It cannot be Joule heat.
(d) It can be any of the three heats mentioned above. | 1 |
17. The plots of intensity versus wavelength for three black bodies at temperatures $T_{1}, T_{2}$ and $T_{3}$ respectively are as shown. Their temperatures are such that
(a) $T_{1}>T_{2}... | 1 |
How do you improve speaking skills in public? | 0 |
51. A particle having mass $m$ and charge $q$ is released from the origin in a region in which electric field and magnetic field are given by
$$
\vec{B}=-B_{0} \vec{j} \text { and } \vec{E}=E_{0} \vec{k}
$$
Find the speed of the particle as a function of its $z$-coordinate. | 1 |
From what did the Satavahana Empire protect much of India? | 0 |
6. A particle $P$ is sliding down a frictionless hemispherical bowl. It passes the point $A$ at $t=0$. At this instant of time, the horizontal component of its velocity is $v$. A bead $Q$ of the same mass as $P$ is ejected from $A$ at $t=0$ along the horizontal string $A B$, with the speed $v$. Friction between the bea... | 1 |
Is web development a good career option? | 0 |
In what city was Tree International Publishing located? | 0 |
6. An electric field $\vec{E}$ and a magnetic field $\vec{B}$ exist in a region. The fields are not perpendicular to each other.
(a) This is not possible.
(b) No electromagnetic wave is passing through the region.
(c) An electromagnetic wave may be passing through the region.
(d) An electromagnetic wave is certainl... | 1 |
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