Question stringlengths 2 3k | label int64 0 1 |
|---|---|
3. When tall buildings are constructed on earth, the duration of day night slightly increases. Is this statement true or false? | 1 |
I like this boy in my summer school how do I talk to him? | 0 |
12. If $\mathrm{A}=\left[\begin{array}{cc}\cos \alpha & -\sin \alpha \\ \sin \alpha & \cos \alpha\end{array}\right]$, and $\mathrm{A}+\mathrm{A}^{\prime}=\mathrm{I}$, then the value of $\alpha$ is
(A) $\frac{\pi}{6}$
(B) $\frac{\pi}{3}$
(C) $\pi$
(D) $\frac{3 \pi}{2}$ | 1 |
39. How long (approximate) water be electrolysed by passing through 100 amperes current so that the oxygen released can completely burn 27.66 g of diborane? (B = 10.8 u )
(a) 1.6 hours
(b) 6.4 hours
(c) 0.8 hours
(d) 3.2 hours
[Hint: $\mathrm{B}_{2} \mathrm{H}_{6}+3 \mathrm{O}_{2} \rightarrow \mathrm{~B}_{2} \mathrm{O}... | 1 |
What sport does Sania Mirza play? | 0 |
What field of study studies the organizational role of emotions? | 0 |
When did the WWE get electronic ring aprons? | 0 |
When was the first Indian appointed as a Councillor? | 0 |
Selling government property is highly at risk for what? | 0 |
46. The carbon-based reduction method is NOT used for the extraction of
(a) Tin from $\mathrm{SnO}_{2}$
(b) Iron from $\mathrm{Fe}_{2} \mathrm{O}_{3}$
(c) Aluminium from $\mathrm{Al}_{2} \mathrm{O}_{3}$
(d) Magnesium from $\mathrm{MgCO}_{3} \cdot \mathrm{CaCO}$ | 1 |
What do Swedish people think about Vikings? | 0 |
44. A ten-fold increase in pressure on the reaction, $\mathrm{N}_{2}(\mathrm{~g})+3 \mathrm{H}_{2}(\mathrm{~g}) \rightleftharpoons$ $2 \mathrm{NH}_{3}(\mathrm{~g})$ at equilibrium results in .... in $K_{p}$. | 1 |
14.  | 1 |
Why is every last name you see a male name? | 0 |
Example 5.112 There are four balls of different colours and four boxes of colours same as those of the balls. Find the number of ways in which the balls, one in each box, could be placed in such a way that a ball does not go to box of its own colour. | 1 |
Example 3 Verify that the function $y=a \cos x+b \sin x$, where, $a, b \in \mathbf{R}$ is a solution of the differential equation $\frac{d^{2} y}{d x^{2}}+y=0$ | 1 |
49. What is correct IUPAC name of the given compound?
(A) 4-Butyl-3,7,7-Trimethyloctane
(B) 5-Butyl-2,2,6-Trimethyloctane
(C) 6-methyl-5(3,3-dimethylbutyl)octane
(D) 2,2-Dimethyl-5-(1-meth... | 1 |
11 Two coherent sources produce waves of different intensities which interfere. After interference, the ratio of the maximum intensity to the minimum intensity is 16 . The intensity of the waves are in the ratio
(a) $16: 9$
(b) $5: 3$
(c) $25: 9$
(d) $4: 1$ | 1 |
86. $\int_{0}^{\infty} \frac{\sin ^{2} x}{x^{2}} d x$ must be same as
a. $\int_{0}^{\infty} \frac{\sin x}{x} d x$
h. $\left(\int_{0}^{\infty} \frac{\sin x}{x} d x\right)^{2}$
c. $\int_{0}^{\infty} \frac{\cos ^{2} x}{x^{2}} d x$
d. None of these | 1 |
What author espoused the theory of the "pristine unconscious?" | 0 |
What are editors trying to ultimately accomplish? | 0 |
What is Albert Einstein known for? | 0 |
What coping mechanism do introverts use in social situations? | 0 |
64. Bombardment of Al by $\alpha$-particles leads to artificial disintegration in two ways (i) and (ii) as shown. Products are respectively $\mathrm{X}, \mathrm{Y}$ and Z .
(a) proton, neutron, positron
(b) neutron, positron, proton
(c) proton, positron, neutron
(d) positron, proton, neutron
[Hint : neutron- $-{ }_0^1... | 1 |
What is the approximate area of Southeast Asia? | 0 |
From what work of Durkheim's was interaction ritual theory derived? | 0 |
12. The smallest value of $k$, for which both the roots of the equation $x^2-8 k x+16\left(k^2-k+1\right)=0$ are real, distinct and have values atleast 4 , is .......
(2009) | 1 |
What happens when you swallow bleach? | 0 |
- Example 13 A committee of two persons is selected from two men and two women. What is the probability that the committee will have | 1 |
- Example 33.23 Maximum kinetic energy of photoelectrons from a metal surface is $K_{0}$ when wavelength of incident light is $\lambda$. If wavelength is decreased to $\lambda / 2$, the maximum kinetic energy of photoelectrons becomes
(a) $=2 K_{0}$
(b) $>2 K_{0}$
(c) $<2 K_{0}$ | 1 |
4. A satellite is moving with a constant speed $v$ in a circular orbit about the earth. An object of mass $m$ is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of its ejection, the kinetic energy of the object is
(a) $\frac{1}{2} m v^{2}$
(b) $m v^{2}$
(c) $\... | 1 |
How did the Nazis conjure up anti-Semitic feelings in civilians? | 0 |
What are vocalizations of the name of God, YHWH? | 0 |
3. When no current is passed through a conductor, (a) the free electrons do not move (b) the average speed of a free electron over a large period of time is zero
(c) the average velocity of a free electron over a large period of time is zero
(d) the average of the velocities of all the free electrons at an instant is... | 1 |
How do I stop being so gullible? | 0 |
18. Find the values of $k$ for which points $(2 k, 3 k),(1,0)$, $(0,1)$ and $(0,0)$ lie on a circle. | 1 |
Who became President of Global Digital Business and US Sales in 2012? | 0 |
25. A dilute aqueous solution of $\mathrm{Na}_{2} \mathrm{SO}_{4}$ is electrolysed using platinum electrodes. The products at the anode and cathode are
(a) $\mathrm{O}_{2}, \mathrm{H}_{2}$
(b) $\mathrm{S}_{2} \mathrm{O}_{8}^{2-}, \mathrm{Na}$
(c) $\mathrm{O}_{2}, \mathrm{Na}$
(d) $\mathrm{S}_{2} \mathrm{O}_{8}^{2-}, \m... | 1 |
How do I retrieve deleted Snapchat messages? | 0 |
27. What is the IUPAC name of Laughing gas?
(A) Nitrogen oxide
(B) Nitrogen dioxide
(C) Dinitrogen Oxide
(D) Nitrous oxide | 1 |
What did Lincoln do well in the war? | 0 |
81. The condition for equations $\vec{r} \times \vec{a}=\vec{b}$ and $\vec{r} \times \vec{c}=\vec{d}$ to be consistent is
a. $\vec{b} \cdot \vec{c}=\vec{a} \cdot \vec{d}$
b. $\vec{a} \cdot \vec{b}=\vec{c} \cdot \vec{d}$
c. $\vec{b} \cdot \vec{c}+\vec{a} \cdot \vec{d}=0$
d. $\vec{a} \cdot \vec{b}+\vec{c} \cdot \vec{d}=0... | 1 |
2.17 The vapour pressure of water is 12.3 kPa at 300 K . Calculate vapour pressure of 1 molal solution of a non-volatile solute in it. | 1 |
I don't have a proof of address, how do I apply for pan card? | 0 |
9. The domain of $f(x)=\frac{\log _{2}(x+3)}{x^{2}+3 x+2}$ is
a. $R-\{-1,-2\}$
b. $(-2, \infty)$
c. $R-\{-1,-2,-3\}$
d. $(-3, \infty)-\{-1,-2\} \quad \because$ | 1 |
46. For the reaction taking place in a container in equilibrium with its surroundings, the effect of temperature on its equilibrium constant $K$ in terms of change in entropy is described by
(a) with increase in temperature, the value of $K$ for endothermic reaction increases because unfavourable change in entropy of t... | 1 |
How should I phrase an email/contact a professor if I might have to remind them to finish a LOR? | 0 |
What are some things men don't tell women? | 0 |
Why did the last Ming Emperor commit suicide? | 0 |
How can I publish my own book? | 0 |
What are some good horror movies? | 0 |
69. Equation of the plane passing through the points $(2,2,1)$ and $(9,3,6)$, and $\perp$ to the plane $2 x+\dot{6} y$ $+6 z-1=0$ is
a. $3 x+4 y+5 z=9$
b. $3 x+4 y-5 z=9$
c. $3 x+4 y-5 z=9$
d. none of the above | 1 |
The two main structures that protect the brain are what? | 0 |
Is germany a UN permanent member? | 0 |
Who was thought to be the original believer of humanism in of the Renaissance period? | 0 |
8. $\mathrm{A}=\left[a_{i j}\right]_{m \times n 1}$ is a square matrix, if
(A) $m<n$
(B) $m>n$
(C) $m=n$
(D) None of these | 1 |
13. The value of $a$ for which the function $f(x)=(4 a-3)(x+\log , 5)$. $+2(a-7) \cot \frac{x}{2} \sin ^{2} \frac{x}{2}$ does not possess critical points is
a. $(-\infty,-4 / 3)$
b. $(-\infty,-1)$
c. $[1, \infty)$
d. $(2 ; \infty)$ | 1 |
4. The number of values of $x$ in the interval $[0,5 \pi]$ satisfying the equation $3 \sin ^{2} x-7 \sin x+2=0$ is
(a) 0
(b) 5
(c) 6
(d) 10 | 1 |
What can you do if you forget your Apple ID login information? | 0 |
13. Akshat tossed an unbiased coin is. If the result is a head, a pair of unbiased dice is rolled and the number obtained by adding the numbers on the two faces is noted. If the result is a tail, a cards from a well shuffled pack of eleven cards numbered $2,3,4, \ldots .12$ is picked and the number on the card is noted... | 1 |
How do I become a good problem solver? | 0 |
What profession studies the role of emotions in providing holistic health care? | 0 |
9. Two pi and half sigma bonds are present in:
(a) $\mathrm{O}_{2}^{+}$
(b) $\mathrm{N}_{2}$
(c) $\mathrm{O}_{2}$
(d) $\mathrm{N}_{2}^{+}$ | 1 |
82. Number of solutions the equation $\cos (\theta) \cdot \cos (\pi \theta)=1$ has
a. 0
b. 2
c. 1
d infinite | 1 |
How do I stop stalking someone on social media? | 0 |
Do big companies like google, Facebook, Microsoft take electronics and communication engineering students? | 0 |
46. The element with the highest first ionization potential is
(a) boron
(b) carbon
(c) nitrogen
(d) oxygen | 1 |
How many years did it take to publish all three volumes of the Book of Mormon Critical Text? | 0 |
How do I join Indian army as a soldier after MBBS? | 0 |
20. For the non-stoichiometric reaction $2 \mathrm{~A}+\mathrm{B} \rightarrow \mathrm{C}+\mathrm{D}$, the following kinetic data were obtained in three separate experiments, all at $298 \mathrm{~K}$.
| Initial <br> Concentration <br> (A) | Initial <br> Concentration <br> (B) | Initial rate of <br> formation of C <br> ... | 1 |
Ex. 31. With what velocity should an $\alpha$-particle travel towards the nucleus of a Cu atom so as to arrive at a distance $10^{-13}$ metre from the nucleus of the Cu atom? $\left(\mathrm{Cu}=29, e=1.6 \times 10^{-19} \mathrm{C}, \varepsilon_{0}=8.85 \times 10^{-12} \mathrm{~J}^{-1} \mathrm{C}^{2} \mathrm{~m}^{-1}, m... | 1 |
8. Sum to $n$ terms of the series is $S_{n}=\frac{1}{1 \cdot 2 \cdot 3 \cdot 4}+\frac{1}{2 \cdot 3 \cdot 4 \cdot 5}+\frac{1}{3 \cdot 4 \cdot 5 \cdot 6}+\ldots$ which all statements are correct about $S_{\mathrm{n}}$
(a) $S_{9}=\frac{3}{55}$
(b) $S_{\infty}=\frac{1}{18}$
(c) $S_{10}=\frac{3}{50}$
(d) $S_{19}=\frac{5}{57... | 1 |
In high school father name -mohamad shakeel . and in inter -Mohammad shakeel . will it create any problam at the time of gov. job verification? | 0 |
What are the best courses for mechanical engineer for high salary? | 0 |
15. An electric lamp and a candle produce equal illuminance at a photometer screen when they are placed at $80 \mathrm{~cm}$ and $20 \mathrm{~cm}$ from the screen respectively. The lamp is now covered with a thin paper which transmits $49 \%$ of the luminous flux. By what distance should the lamp be moved to balance th... | 1 |
11. If $y=\frac{x}{\log |c x|}$ (where $c$ is an arbitrary constant) is the general solution of the differential equation $d y / d x=y / x+\phi(x / y)$ then the function $\phi(x / y)$ is
a. $x^{2} / y^{2}$
b. $-x^{2} / y^{2}$
c. $y^{2} / x^{2}$
d. $-y^{2} / x^{2}$ | 1 |
What field studies the relationship between emotion and learning? | 0 |
Would the USSR have collapsed during world war 2 without the lend lease program? | 0 |
27. A mineral having the formula $\mathrm{AB}_{2}$ crystallizes in the c.c.p. lattice, with A atoms occupying the lattice points. The CN of A is 8 and that of B is 4 . What percentage of the tetrahedral sites is occupied by B atoms?
(a) $25 \%$
(b) $50 \%$
(c) $75 \%$
(d) $100 \%$ | 1 |
7. If the product of $n$ positive numbers is $n^{\prime \prime}$, then their sum is
a. a positive integer
b. divisible by $n$
c. equal to $n+1 / n$
d. never less than $n^{2}$ | 1 |
5. The difference between $\Delta \mathrm{H}$ and $\Delta \mathrm{U}(\Delta \mathrm{H}-\Delta \mathrm{U})$, when the combustion of one mole of heptane (I) is carried out at a temperature T, is equal to
(a) -4 RT
(b) $-3 \mathrm{RT}$
(c) $4 \mathrm{RT}$
(d) 3 RT | 1 |
What is the most unexpected regret you have ever experienced? | 0 |
Example 10.7
A wheel of moment of inertia I and radius r is free to rotate about its centre as shown in figure (10.14). A string is wrapped over its rim and a block of mass m is attached to the free end of the string. The system is released from rest. Find the speed of the block as it descends through a height h.
=c-\frac{1}{2 x^{2}}$
b. $\tan \frac{y}{x}=c+\frac{1}{x}$
c. $\cos \left(\frac{y}{x}\right)=1+\frac{c}{x} \quad$ d. $x^{2}=\left(c+x^{2}\right) \tan \frac{y}{x}$. | 1 |
2. For $V$-T diagrams of two processes $a-b$ and $c-d$ are shown in figure for same gas. Match the following two columns.
| Column I | Column II |
| :--- | :--- |
| (a) Work done | (p) is m... | 1 |
7. A parallel-plate capacitor has plates of unequal area. The larger plate is connected to the positive terminal of the battery and the smaller plate to its negative terminal. Let $Q_{+}$and $Q_{-}$be the charges appearing on the positive and negative plates respectively.
(a) $Q_{+}>Q_{-}$
(b) $Q_{+}=Q_{-}$
(c) $Q_{+}<... | 1 |
What are bounds volumes of comics called in America? | 0 |
1.348. Two particles moving in a laboratory frame of reference along the same straight line with the same velocity $v=(3 / 4) c$ strike against a stationary target with the time interval $\Delta t=50 \mathrm{~ns}$. Find the proper distance between the particles prior to their hitting the target. | 1 |
4. The electric charge for electrodeposition of 1 eq. of a substance is
(a) one ampere per second
(b) 96500 coulombs per second
(c) one ampere for one hour
(d) charge on one mole of electrons | 1 |
Can you write a review on Suicide Squad for me? | 0 |
What are the best science magazines to read? | 0 |
11. If $\overrightarrow{\mathbf{a}}=\hat{\mathbf{i}}+\hat{\mathbf{j}}+\hat{\mathbf{k}}, \overrightarrow{\mathbf{b}}=4 \hat{\mathbf{i}}+3 \hat{\mathbf{j}}+4 \hat{\mathbf{k}}$ and $\overrightarrow{\mathbf{c}}=\hat{\mathbf{i}}+\alpha \hat{\mathbf{j}}+\beta \hat{\mathbf{k}}$ are linearly dependent vectors and $|\overrighta... | 1 |
11. By a surface of a liquid we mean
(a) a geometrical plane like $x=0$
(b) all molecules exposed to the atmosphere
(c) a layer of thickness of the order of $10^{-8} \mathrm{~m}$
(d) a layer of thickness of the order of $10^{-4} \mathrm{~m}$. | 1 |
69. $1+\frac{1}{4}+\frac{1 \times 3}{4 \times 8}+\frac{1 \times 3 \times 5}{4 \times 8 \times 12}+\cdots=$
a. $\sqrt{2}$
b. $\frac{1}{\sqrt{2}}$
c. $\sqrt{3}$
d. $\frac{1}{\sqrt{3}}$ | 1 |
Who does not often see storyboards used in film making? | 0 |
What will be the best answer for "Why do you want to leave your current organization ?" | 0 |
(ii) Acetophenone | 1 |
Is Jio going to extend free data offer to Lyf phone users till December 2017? | 0 |
In what year was Mubariz Khan defeated by Asif Jah I? | 0 |
How can I love something I hate? I hate coding but I want to love it and make my career, how can I do that? | 0 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.