Question stringlengths 2 3k | label int64 0 1 |
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1. A solid sphere and a hollow sphere of the same material and of equal radii are heated to the same temperature
(a) both will emit equal amount of radiation per unit time in the beginning
(b) both will absorb equal amount of radiation per second from the surroundings in the beginning
(c) the initial rate of cooling... | 1 |
17. For non-zero vectors $\overrightarrow{\mathbf{a}}, \overrightarrow{\mathbf{b}}, \overrightarrow{\mathbf{c}} \mid, \overrightarrow{\mathbf{a}} \times \overrightarrow{\mathbf{b}}) \cdot \overrightarrow{\mathbf{c}} \mid$
$=|\overrightarrow{\mathbf{a}}||\overrightarrow{\mathbf{b}}||\overrightarrow{\mathbf{c}}|$ holds,... | 1 |
24. A charged particle of mass $m$ and charge $q$ is accelerated through a potential difference of $V$ volts. It enters a region of uniform magnetic field $B$ which is directed perpendicular to the direction of motion of the particle. The particle will move on a circular path of radius
(a) $\sqrt{\frac{V m}{2 q B^{2}}}... | 1 |
Is there a 'read it later' extension for Chrome? How about flashgot? | 0 |
In addition to Durkheim, whose work influenced the development of interaction ritual theory? | 0 |
5. The maximum number of possible oxidation states of actinoides are shown by:
(a) Nobelium (No) and lawrencium (Lr)
(b) Actinium (Ac) and thorium (Th)
(c) Berkelium (Bk) and californium (Cf)
(d) Neptunium $(\mathrm{Np})$ and plutonium $(\mathrm{Pu})$ | 1 |
What are called factions by some people? | 0 |
How do I pass the interview of a non technical job in Google? | 0 |
3. Two elements A and B have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and B, respectively, are :
(a) $\mathrm{Na}$ and $\mathrm{Rb}$
(b) $\mathrm{Na}$ and $\mathrm{Ca}$
(c) $\mathrm{Cs}$ and $\mathrm{Ba}$
(d) $\mathrm{Li}$ and $\mathrm{Mg}$ | 1 |
28. The exhaustive domain of $g(f(x))$ is
a. $[0,2]$
b. $[-2,0]$
c. $[-2,2]$
d. $[-1,2]$ | 1 |
12. Solve the following equation for $x$.
$$
\tan ^{-1} 2 x+\tan ^{-1} 3 x=\frac{\pi}{4}
$$ | 1 |
Who writes the transcript that rolls on the teleprompter for news anchors? | 0 |
34. Nitrosyl chloride, NOCl decomposes to NO and $\mathrm{Cl}_{2}$.
$$ 2 \mathrm{NOCl}(\mathrm{~g}) \rightarrow 2 \mathrm{NO}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g})
$$
From the following data, determine the rate law, the rate constant and the overall order for this reaction:
| [NOCl]: | 0.10 | 0.20 | $0.30 \ddot{... | 1 |
What are some mind-blowing smartphone gadgets that exist that most people don't know about? | 0 |
Thor: The Dark World (2013 movie): How did Odin lose his eye? | 0 |
1.268. Demonstrate that in the reference frame rotating with a constant angular velocity $\omega$ about a stationary axis a body of mass $m$ experiences the resultant
(a) centrifugal force of inertia $\mathbf{F}_{c f}=$ $=m \omega^{2} \mathbf{R}_{C}$, where $\mathbf{R}_{C}$ is the radius vector of the body's centre of... | 1 |
When did the Malayan Emergency begin? | 0 |
What are some bad thing about Mohandas karamchand Gandhi? | 0 |
When was the UK emloyment eequality (sexual orientation) regulations law take effect? | 0 |
4. The determinant $\left|\begin{array}{ccc}x p+y & x & y \\ y p+z & y & z \\ 0 & x p+y & y p+z\end{array}\right|=0$ if
a. $x, y, z$ are in A.P
b. $x, y, z$ are in G.P.
c. $x, y, z$ are in H.P.
d. $x y, y z, z x$ are in A.P.
(IIT-JEE, 1995) | 1 |
How did schools in the 1930s teach physics? | 0 |
3. The equation of a curve passing through $(1,0)$ for which the product of the abscissa of a point $P$ and the intercept made by a normal at $P$ on the $x$-axis equals twice the square of the radius vector of the point $P$, is
(a) $x^{2}+y^{2}=C x^{4}$
(b) $x^{2}+y^{2}=2 x^{4}$
(c) $x^{2}-y^{2}=4 x^{4}$
(d) $x^{2}-y^{... | 1 |
16. During a nuclear fusion reaction
(a) a heavy nucleus breaks into two fragments by itself
(b) a light nucleus bombarded by thermal neutrons breaks up
(c) a heavy nucleus bombarded by thermal neutrons breaks up
(d) two light nuclei combine to give a heavier nucleus and possibly other products | 1 |
32. In the circuit shown in figure, $L=10 \mathrm{H}, R=5 \Omega, E=15 \mathrm{~V}$. The switch $S$ is closed at $t=0$. At $t=2 \mathrm{~s}$, the current in the circuit is
(a) $31-\frac{1}{e} \mathrm{~A}$
(b) $31-\frac{1}{e^{2}} \quad \mathrm{~A}$
(c) $3 \frac{1}{e} \mathrm{~A}$
(d) $3 \frac{1}{e^{2}} \quad \mathrm{~A}... | 1 |
Why Sita had to go through fire in Ramayana? | 0 |
4. If $f(x)=\left\{\begin{array}{c}3 x^{2}+12 x-1,-1 \leq x \leq 2 \\ 37-x, 2<x \leq 3\end{array}\right.$, then
a. $f(x)$ is increasing in $[-1,2]$
b. $f(x)$ is continuous on $[-1,3]$
c. $f^{\prime}(2)$ does not exist
d. $f(x)$ has the maximum value at $x=2 \quad$ | 1 |
Is it better to struggle and fail than to succeed with ease? | 0 |
At the lowest level of the brain and spinal cord, are what areas? | 0 |
66. How much work has to be done in assembling three charged particles at the vertices of an equilateral triangle as shown in figure (29-E5)?
Figure 29-E5 | 1 |
Has anybody been converted to Judaism? | 0 |
I always sleep with my mom in a double bed. I'm 25. My girlfriend finds this very weird and was shocked when I told her this. Is this not normal? | 0 |
Ex. 31. Calculate the molecular weight of cellulose acetate if its $0 \cdot 2 \%$ (wt./vol.) solution in acetone (sp. gr. 0.8) shows an osmotic rise of 23.1 mm against pure acetone at $27^{\circ} \mathrm{C}$. | 1 |
8. The dimensional formula for magnetic flux is
(a) $\left[\mathrm{ML}^{2} \mathrm{~T}^{-2} \mathrm{~A}^{-1}\right]$
(b) $\left[\mathrm{ML}^{3} \mathrm{~T}^{-2} \mathrm{~A}^{-2}\right]$
(c) $\left[\mathrm{M}^{0} \mathrm{~L}^{-2} \mathrm{~T}^{-2} \mathrm{~A}^{-2}\right]$
(d) $\left[\mathrm{ML}^{2} \mathrm{~T}^{-1} \math... | 1 |
How do I read The Hindu and prepare notes exclusively for UPSC Prelims? | 0 |
How do I start a career in marketing? | 0 |
1. The mean and variance of eight observations are 9 and 9.25 , respectively. If six of the observations are $6,7,10,12,12$ and 13 , find the remaining two observations. | 1 |
6. Find the number of values of $\theta$ in the interval $\left(-\frac{\pi}{2}, \frac{\pi}{2}\right)$ such that $\theta \neq \frac{n \pi}{5}$ for $n=0, \pm 1, \pm 2$ and $\tan \theta=\cot 5 \theta$ as well as $\sin 2 \theta=\cos 4 \theta$. | 1 |
On what date was the National Museum formally inaugurated? | 0 |
7. $\sqrt{2} x^{2}+x+\sqrt{2}=0$ | 1 |
What does "dry fry" rice mean? What does it accomplish? | 0 |
3. The product of three consecutive terms of a GP is 512 . If 4 is added to each of the first and the second of these terms, the three terms now form an AP. Then, the sum of the original three terms of the given GP is
(2019 Main, 12 Jan I)
(a) 36
(b) 28
(c) 32
(d) 24 | 1 |
How many people were employed by the Andhra Pradesh government in 2006? | 0 |
What are two broad categories of similarity among countries which have a Mediterranean climate? | 0 |
Who wrote The Grand Design? | 0 |
Why does Berocca dissolve in water? | 0 |
What is the I range salary at Stanford University? | 0 |
19. $X=$ number of Resonance Structures contributed in Resonance Hybrid of
(A) 5
(B) 6
(C) 7
(D) 8 | 1 |
What color pants matches with a gray shirt? | 0 |
Ex. 14. Hydroxylamine reduces iron(III) according to the equation:
$$
2 \mathrm{NH}_{2} \mathrm{OH}+4 \mathrm{Fe}^{3+} \rightarrow \mathrm{N}_{2} \mathrm{O}(\mathrm{~g}) \uparrow+\mathrm{H}_{2} \mathrm{O}+4 \mathrm{Fe}^{2+}+4 \mathrm{H}^{+}
$$
Iron (II) thus produced is estimated by titration with a standard solutio... | 1 |
In affective computing, what devices are used to collect data about the physical state of a user? | 0 |
What type of religion believes that God is transcendent? | 0 |
What is the growth rate of real GDP per capita? | 0 |
I got 106 in MUOET. Is there a chance to get freeship in any campus and in any branch? | 0 |
What is the best QuickBooks support number in Arkansas? | 0 |
Vodafone has scope after MBA? | 0 |
25. $\int \frac{2 \sin x}{(3+\sin 2 x)} d x$ is equal to
a. $\frac{1}{2} \ln \left|\frac{2+\sin x-\cos x}{2-\sin x+\cos x}\right|$
$$
-\frac{1}{\sqrt{2}} \tan ^{-1}\left(\frac{\sin x+\cos x}{\sqrt{2}}\right)+c
$$
b. $\frac{1}{2} \ln \left|\frac{2+\sin x-\cos x}{2-\sin x+\cos x}\right|$
$$
-\frac{1}{2 \sqrt{2}} \tan ... | 1 |
17. A block of ice with a lead shot embedded in it is floating on water contained in a vessel. The temperature of the system is maintained at $0^{\circ} \mathrm{C}$ as the ice melts. When the ice melts completely the level of water in the vessel rises. (1986, 3M) | 1 |
6. The piont $A$ divided the join of $P(-5,1), Q(3,5)$ in the ratio $k: 1$, then the integral value of $k$ for which the area of $\triangle A B C$ where $B$ is $(1,5)$ and $C$ is $(7,-2)$ is equal to 2 units in magnitude is | 1 |
What are the essential components to analyze, crack and write a program for an Algorithm? | 0 |
33. 105 mL of pure water $\left(4^{\circ} \mathrm{C}\right)$ is saturated with $\mathrm{NH}_3$ gas, producing a solution of density $0.9 \mathrm{~g} / \mathrm{mL}$. If this solution contains $30 \%$ of $\mathrm{NH}_3$ by weight, calculate its volume.
$$
\text { [Hint: Density } \left.=\frac{\text { total mass }}{\text... | 1 |
What is the meaning of word "gandoo"? | 0 |
24. Two radio stations broadcast their programmes at the same amplitude $A$ and at slightly different frequencies $\omega_{1}$ and $\omega_{2}$ respectively, where $\omega_{1}-\omega_{2}=10^{3} \mathrm{~Hz}$. A detector receives the signals from the two stations simultaneously. It can only detect signals of intensity $... | 1 |
Under whom was Russia declared an empire? | 0 |
If your airbags deploy is the car considered totalled? | 0 |
How would you define your past life in just one word? | 0 |
What is the meaning of different career levels in accenture? | 0 |
Laundry: Is it possible to set your clothes on fire in the dryer? | 0 |
4. Which of the following statements is not correct?
(a) Law of mass action and rate law expressions are same for single-step reactions.
(b) Order of the slowest elementary reaction of a complex reaction gives the order of the complex reaction.
(c) Both order and molecularity have normally a maximum value of 3.
(d) Mol... | 1 |
32. Solution of the differential equation $(y+x \sqrt{x y}(x+y)) d x$ $+(y \sqrt{x y}(x+y)-x) d y=0$ is
a. $\frac{x^{2}+y^{2}}{2}+\tan ^{-1} \sqrt{\frac{y}{x}}=c \quad$ b. $\frac{x^{2}+y^{2}}{2}+2 \tan ^{-1} \sqrt{\frac{x}{y}}=c$
c. $\frac{x^{2}+y^{2}}{2}+2 \cot ^{-1} \sqrt{\frac{x}{y}}=c d$. None of these | 1 |
The study and following of classical writers was said to be a solution to what issue? | 0 |
65. $\mathrm{AgCN}$ dissolves in excess $\mathrm{KCN}$ solution to give the complex compound
(9) ร True /False | 1 |
Where were you when Jumanji came out 20 years ago today? | 0 |
20. A commercial sample ( 2.013 g ) of NaOH containing $\mathrm{Na}_{2} \mathrm{CO}_{3}$ as an impurity was dissolved to give 250 mL of solution. A 10 mL portion of the solution required 20 mL of $0 \cdot 1 \mathrm{~N} \mathrm{H}_{2} \mathrm{SO}_{4}$ solution for complete neutralisation. Calculate the percentage by wei... | 1 |
Why don't some states require front license plates? | 0 |
44. A lamp hangs vertically from a cord in a descending elevator that decelerates at $2.4 \mathrm{~m} / \mathrm{s}^{2}$. (a) If the tension in the cord is 89 N , what is the lamp's
Figu... | 1 |
Why was Dragon Skin armor rejected by the U.S. Army? | 0 |
16. The unit vector orthogonal to vector $-\hat{i}+2 \hat{j}+2 \hat{k}$ and making equal angles with the $x$-and $y$-axes is
a. $\pm \frac{1}{3}(2 \hat{i}+2 \hat{j}-\hat{k})$
b. $\pm \frac{1}{3}(\hat{i}+\hat{j}-\hat{k})$
c. $\pm \frac{1}{3}(2 \hat{i}-2 \hat{j}-\hat{k})$
d. None of these | 1 |
How are prokaryotic and eukaryotic cells different? | 0 |
How can I get better to my writing? | 0 |
7. State whether the following statement is false or true. If the equilibrium constant for $\mathrm{A}_2+\mathrm{B}_2 \rightleftharpoons 2 \mathrm{AB}$ is $K$, the equilibrium constant for $\mathrm{AB} \rightleftharpoons \frac{1}{2} \mathrm{~A}_2+\frac{1}{2} \mathrm{~B}_2$ is $1 / K$.
(False) | 1 |
How do I let go of my first love? | 0 |
1. The number of 6 digits numbers that can be formed using the digits $0,1,2,5,7$ and 9 which are divisible by 11 and no digit is repeated, is
(2019 Main, 10 April I)
(a) 60
(b) 72
(c) 48
(d) 36 | 1 |
4. The resistance of a galvanometer is $50 \mathrm{ohm}$ and the maximum current which can be passed through it is $0.002 \mathrm{~A}$. What resistance must be connected to it in order to convert it into an ammeter of range $0-0.5 \mathrm{~A}$ ?
(a) $0.2 \mathrm{ohm}$
(b) $0.5 \mathrm{ohm}$
(c) $0.002 \mathrm{ohm}$
(d)... | 1 |
9. Two lithium nuclei in a lithium vapour at room temperature do not combine to form a carbon nucleus because
(a) a lithium nucleus is more tightly bound than a
carbon nucleus
(b) carbon nucleus is an unstable particle
(c) it is not energetically favourable
(d) Coulomb repulsion does not allow the nuclei to come v... | 1 |
17. A solution which is $10^{-3} \mathrm{M}$ each in $\mathrm{Mn}^{2+}, \mathrm{Fe}^{2+}, \mathrm{Zn}^{2+}$ and $\mathrm{Hg}^{2+}$ is treated with $10^{-16} \mathrm{M}$ sulphide ion. If $K_{s p}$ of $\mathrm{MnS}, \mathrm{FeS}, \mathrm{ZnS}$ and $\mathrm{HgS}$ are $10^{-15}$, $10^{-23}, 10^{-20}$ and $10^{-54}$ respect... | 1 |
29. The resistance in the left and right gaps of a balanced meter bridge are $R_{1}$ and $R_{2}$. The balanced point is $50 \mathrm{~cm}$. If a resistance of $24 \Omega$ is connected in parallel to $R_{2}$, the balance point is $70 \mathrm{~cm}$. The value of $R_{1}$ or $R_{2}$ is
(a) $12 \Omega$
(b) $8 \Omega$
(c) $16... | 1 |
7. The initial value of $x$ is
(a) $\sqrt{(3 H+4 h) h}$
(b) $\sqrt{(3 h+4 H) h}$
(c) $\sqrt{(3 H-4 h) h}$
(d) $\sqrt{(3 H-3 h) h}$ | 1 |
What is a good gift idea for a 21-year-old girl? | 0 |
Why don't people simply 'Google' instead of asking questions on Quora? | 0 |
In what city did the Renaissance begin? | 0 |
There may be Iron Age findings near Hyderabad, what age are they thought to be from? | 0 |
13. Compare the bond lengths of the indicated bonds in the given compound:
(A) $a>c>b$
(B) $c>a>b$
(C) $b>c>a$
(D) $b>$ a > c | 1 |
1. In the figure shown, find ${ }_{1} \mu_{2}$.
Fig. 31.15 | 1 |
What was the code name for the Indian Army invasion of Hyderabad? | 0 |
1. Assertion : $\operatorname{In} x=A \cos \omega t, x$ is the displacement measured from extreme position.
Reason : In the above equation $x=A$ at time $t=0$. Directions : Choose the correct option.
(a) If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
(b) If both Asserti... | 1 |
What fields make up field education and a field applied philosophy? | 0 |
74. The equation of straight line passing through $(-a, 0)$ and making the triangle with axes of area ' $T$ ' is
a. $2 T x+a^{2} y+2 a T=0$
b. $2 T x-a^{2} y+2 a T=0$
c. $2 T x-a^{2} y-2 a T=0$
d. none of these | 1 |
22. A real gas behaves like an ideal gas if its
(a) pressure and temperature are both high
(b) pressure and temperature are both low
(c) pressure is high and temperature is low
(d) pressure is low and temperature is high | 1 |
33. In an atom, the total number of electrons having quantum numbers $n=4,\left|m_{1}\right|=1$ and $m_{s}=-\frac{1}{2}$ is | 1 |
Can I change my signature? | 0 |
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