Question stringlengths 2 3k | label int64 0 1 |
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1. Two cells $A$ and $B$ of emf $1.3 \mathrm{~V}$ and 1.5 V respectively are arranged as shown in figure. The voltmeter reads $1.45 \mathrm{~V}$. The voltmeter is assumed to be ideal. Then
... | 1 |
108. Given $A \equiv(1,1)$ and $A B$ is any line through it cutting the $x$-axis in $B$. If $A C$ is perpendicular to $A B$ and meets the $y$-axis in $C$, then the equation of locus of midpoint $P$ of $B C$ is
a. $x+y=1$
b. $x+y=2$
c. $x+y=2 x y$
d. $2 x+2 y=1$ | 1 |
(i) An aqueous solution of $\mathrm{AgNO}_3$
with silver electrodes | 1 |
What is the best program for make logos? | 0 |
Is it compulsory to have sex on the first night? | 0 |
What types of cases are argued in the state courts? | 0 |
States can grant their people broader rights than those granted in what document? | 0 |
Whatever happened to Top Gear Dog? | 0 |
Why could the Tories and the Opposition Whigs never form a single party? | 0 |
What is best way to learn English speaking? | 0 |
15. If the sum of $n$ terms of an A.P. is $c n(n-1)$, where $c \neq 0$, then sum of the squares of these terms is
a. $c^{2} n(n+1)^{2}$
b. $\frac{2}{3} c^{2} n(n-1)(2 n-1)$
c. $\frac{2 c^{2}}{3} n(n+1)(2 n+1)$
d. none of these | 1 |
What are the best offline android games? | 0 |
5.13 A man of mass 70 kg stands on a weighing scale in a lift which is moving | 1 |
38. Which of the following is an allylic alcohol?
(A) $\mathrm{CH}_{2}=\mathrm{CHCH}_{2} \mathrm{OCH}_{3}$
(B) $\mathrm{CH}_{2}=\mathrm{CHCH}\left(\mathrm{CH}_{3}\right) \mathrm{OH}$
(C) $\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCH}_{2} \mathrm{OH}$
(D) $\mathrm{CH}_{2}=\mathrm{CHCH}_{2} \mathrm{CH}_{3}$ | 1 |
What is Setwin otherwise known as? | 0 |
4. Let $A$ and $B$ be two distinct points on the parabola $y^{2}=4 x$. If the axis of the parabola touches a circle of radius $r$ having $A B$ as its diameter, then the slope of the line joining $A$ and $B$ can be
a. $-\frac{1}{r}$
b. $\frac{1}{r}$
c. $\frac{2}{r}$
d. $-\frac{2}{r}$ | 1 |
23. A long rectangular slab of transparent medium of thickness $d$ is placed on a table with length parallel to $x$-axis and width parallel to $y$-axis. A ray of light is traveling along $y$-axis at origin. The refractive index $\mu$ of the medium varies as, $\mu=\sqrt{1+e^{x / d}}$.
The refractive index of air is 1 .... | 1 |
Is there a directory of individual landline and cell phone telephone numbers? | 0 |
79. Consider the function $f(x)=x \cos x-\sin x$, then identify the statement which is correct.
a. $f$ is neither odd nor even
h. $f$ is monotonic decreasing at $x=0$
c. $f$ has a maxima at $x=\pi$
d. $f$ has a minima at $x=-\pi$ | 1 |
How has India changed after having Narendra Modi as the PM? | 0 |
Ex. 13. One volume of a gaseous compound of carbon, hydrogen and nitrogen on combustion produced 2 volumes of $\mathrm{CO}_{2}, 3.5$ volumes of $\mathrm{H}_{2} \mathrm{O}$ and 0.5 volume of nitrogen under identical conditions of temperature and pressure. Find the empirical and molecular formulae of the compound. | 1 |
97. If $S=\left(\frac{1}{2}\right)^{2}+\left(\frac{1}{2}\right)^{2} \frac{1}{3}+\left(\frac{1}{2}\right)^{3} \frac{1}{4}+\left(\frac{1}{2}\right)^{4} \frac{1}{5}+\cdots$, then
a. $S=\ln 8-2$
b. $S=\ln \frac{4}{e}$
c. $S=\ln 4+1$.
d. None of these | 1 |
8. Find (i) the total number of neutrons, and (ii) the total mass of neutrons in 7 mg of ${ }^{14} \mathrm{C}$. (Assume that the mass of a neutron $=$ mass of a hydrogen atom)
[Hint: $1{ }^{14} \mathrm{C}$ atom contains 8 neutrons.]
$$
\left(24.088 \times 10^{20}, 0.004 \mathrm{~g}\right)
$$ | 1 |
Why is Plaster of Paris called so? | 0 |
Apart from the Indian traders, who else discovered the Malay peninsula for trade? | 0 |
- Example 9 Plot $p$-V, V-T and $\rho$-T graph corresponding to the $p$-T graph for an ideal gas shown in figure.
 | 1 |
How can I write this in [math]\LaTeX[/math]? | 0 |
What is the best photo? | 0 |
31. The principal quantum number of an atom is related to the
(a) size of the orbital
(b) spin angular momentum
(c) orbital angular momentum
(d) orientation of the orbital in space | 1 |
What term replaced Vitruvius' term "utility"? | 0 |
4. A green light is incident from the water to the air-water interface at the critical angle $(\theta)$. Select the correct statement.
(a) The entire spectrum of visible light will come out of the water at an angle of $90^{\circ}$ to the normal
(b) The spectrum of visible light whose frequency is less than that of gre... | 1 |
What was Southeast Asia commonly known as before? | 0 |
32. Two parabolas have the same focus. If their directrices are the $x$-axis and the $y$-axis, respectively, then the slope of their common chord is
a. $\pm 1$
b. $\frac{4}{3}$
c. $\frac{3}{4}$
d. none of these | 1 |
What are examples of absurd red tape and bureaucracy from your country? | 0 |
9. Two small balls $A$ and $B$ are launched in the same vertical plane simultaneously, with same speed of $20 \mathrm{~m} / \mathrm{s}$ at $t=0$. Ball $A$ has an initial horizontal velocity and ball $B$ has initial velocity at an angle $\theta$ above the line joining $A$ and $B$ as shown. If the projectiles collide in ... | 1 |
12. The vertices of a triangle are $(p q, 1 /(p q)),(q r, 1 /(q r))$ and $(r q, 1 /(r p))$ where $p, q, r$ are the roots of the equation $y^{3}-3 y^{2}+6 y+1=0$. The coordinates of its centroid are
a. $(1,2)$
b. $(2,-1)$
c. $(1,-1)$
d. $(2,3)$ | 1 |
Which entity is responsible for disposing Hyderabad's solid waste? | 0 |
What are the dumbest things that you assumed to be true during your childhood? | 0 |
Illustration 3.1 If $\alpha, \beta$ and $\gamma$ are the angles which a directed line makes with the positive directions of the co-ordinates axes, then find the value of $\sin ^{2} \alpha+\sin ^{2} \beta+\sin ^{2} \gamma$. | 1 |
57. Higher order (>3) are rare due to
(a) low probability of simultaneous collisions of all the reacting species.
(b) increase in entropy and activation energy as more molecules are involved.
(c) shifting of equilibrium towards reactants due to elastic collisions.
(d) loss of active species on collision. | 1 |
4. $y=\tan ^{-1}\left(\frac{\sqrt{1+x^{2}}-1}{x}\right)$, where $x \neq 0$ | 1 |
What year marked the beginning of the High Middle Ages? | 0 |
23. Stability of the species $\mathrm{Li}_{2}, \mathrm{Li}_{2}^{-}$ and $\mathrm{Li}_{2}^{+}$ increases in the order of :
(a) $\mathrm{Li}_{2}<\mathrm{Li}_{2}^{+}<\mathrm{Li}_{2}^{-}$
(b) $\mathrm{Li}_{2}^{-}<\mathrm{Li}_{2}^{+}<\mathrm{Li}_{2}$
(c) $\mathrm{Li}_{2}<\mathrm{Li}_{2}^{-}<\mathr... | 1 |
Why do some people ask questions on Quora that could easily be answered by using a search engine? | 0 |
9.21 Describe the structure of the common form of ice. | 1 |
21. Water rises in a vertical capillary tube up to a length of $10 \mathrm{~cm}$. If the tube is inclined at $45^{\circ}$, the length of water risen in the tube will be
(a) $10 \mathrm{~cm}$
(b) $10 \sqrt{ } 2 \mathrm{~cm}$
(c) $10 / \sqrt{ } 2 \mathrm{~cm}$
(d) none of these. | 1 |
1. Electric conduction takes place in a discharge tube due to the movement of
(a) positive ions
(b) negative ions
(c) electrons
(d) protons. | 1 |
Example 6.1 Suggest a condition under which magnesium could reduce alumina. | 1 |
Ex. 38. How much heat is produced in burning a mole of $\mathrm{CH}_{4}$ under standard conditions if reactants and products are brought to 298 K and $\mathrm{H}_{2} \mathrm{O}(\mathrm{l})$ is formed? What is the maximum amount of useful work that can be accomplished under standard conditions by this system?
\$\$
\$\... | 1 |
What is the proper name for textual scholarship? | 0 |
3. The peak voltage in a 220 V AC source is
(a) 220 V (b) about 160 V
(c) about 310 V (d) 440 V. | 1 |
How are the courses in BML Munjal university for MBA? | 0 |
5. A boy's catapult is made of rubber cord which is $42 \mathrm{~cm}$ long, with $6 \mathrm{~mm}$ diameter of cross-section and of negligible mass. The boy keeps a stone weighing $0.02 \mathrm{~kg}$ on it and stretches the cord by $20 \mathrm{~cm}$ by applying a constant force. When released the stone flies off with a ... | 1 |
2.17 Calculate the wavenumber for the longest wavelength transition in the Balmer series of atomic hydrogen. | 1 |
6. Figure (27-Q1) shows a process on a gas in which pressure and volume both change. The molar heat capacity for this process is $C$.
(a) $C=0$
(b) $C=C_{V}$
(c) $C>C_{V}$
(d) $C<C_{V}$ | 1 |
4 Consider the compounds, $\mathrm{BCl}_3$ and $\mathrm{CCl}_4$. How will they behave with water ? Justify. | 1 |
Example 19 Two blocks of masses $m=5 \mathrm{~kg}$ and $M=10 \mathrm{~kg}$ are connected by a string passing over a pulley $B$ as shown. Another string connects the centre of pulley $B$ to the floor and passes over another pulley $A$ as shown. An upward force $F$ is applied at the centre of pulley A. Both the pulleys a... | 1 |
Example 3.28 Circles are drawn with diameter being any focal chord of the parabola $y^{2}-4 x-y-4=0$ will always touch a fixed line, find its equation. | 1 |
Why drone are used? | 0 |
Hyderabad city can be referred to as something else as administrative agencies are concerned, what? | 0 |
Problem 6.7
A swimmer coming out from a pool is covered with a film of water weighing about 18 g . How much heat must be supplied to evaporate this water at 298 K ? Calculate the internal energy of vaporisation at 298 K .
$\Delta_{\text {vap }} H^{\ominus}$ for water
at $298 \mathrm{~K}=44.01 \mathrm{~kJ} \mathrm{~m... | 1 |
If you had the opportunity to have dinner with anyone who would it be and why? | 0 |
What are some of the best places to eat at Coimbatore? | 0 |
What is the name of the ecoregion to the east and southeast of the Aravalli Range? | 0 |
26. In the circuit shown in figure, the capacitor is charged with a cell of $5 \mathrm{~V}$. If the switch is closed at $t=0$, then at $t=12 \mathrm{~s}$, charge on the capacitor is
(a) (0.... | 1 |
17. The brown ring complex compound is formulated as $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{5}(\mathrm{NO})\right] \mathrm{SO}_{4}$. The oxidation state of iron is :
(a) 1
(b) 2
(c) 3
(d) 0 | 1 |
72. The value of the definite integral $\int_{2}^{4}(x(3-x)(4+x)(6-x)$ $(10-x)+\sin x) d x$ equals
a. $\cos 2+\cos 4$.
b. $\cos 2-\cos 4$
c. $\sin 2+\sin 4$
d. $\sin 2-\sin 4$ | 1 |
With branch of government deals with new regulations? | 0 |
Who argued that an emotional stimulus triggered experiential and physiological responses to emotions at the same time? | 0 |
Why is she ignoring me? | 0 |
133. If the origin is shifted to the point $(a b /(a-b), 0)$ without rotation, then the equation $(a-b)\left(x^{2}+y^{2}\right)-2 a b x=0$ becomes
a. $(a-b)\left(x^{2}+y^{2}\right)-(a+b) x y+a
b x=a^{2}$
b. $(a+b)\left(x^{2}+y^{2}\right)=2 a b$
c. $\left(x^{2}+y^{2}\right)=\left(a^{2}+b^{2}\right)$
d. $(a-b)^{2}\l... | 1 |
2. From the following statements regarding $\mathrm{H}_{2} \mathrm{O}_{2}$, choose the incorrect statement.
(a) It can act only as an oxidising agent
(b) It decomposes on exposure to light.
(c) It has to be stored in plastic or wax-lined glass bottle in dark.
(d) It has to be kept away from dust.
(IIT 2013 Main) | 1 |
Which is best CFA coaching institute in Mumbai? | 0 |
10. $f(x)=x^{2}-2 a x+a(a+1), f:[a, \infty) \rightarrow[a, \infty)$. If one of the solutions of the equation $f(x)=f^{-1}(x)$ is 5049 , then the other may be
a. 5051
b. 5048
c. 5052
d. 5050 | 1 |
What is the name of the period of armed incursions undertaken in the name of Christianity? | 0 |
What is cholesterol? | 0 |
Some unwanted negative thoughts just play on my mind continuously, they don't seem to go away. It drives me crazy. What is some help? | 0 |
27. At constant volume, $4 \mathrm{~mol}$ of an ideal gas when heated from $300 \mathrm{~K}$ to $500 \mathrm{~K}$ changes its internal energy by $5000 \mathrm{~J}$. The molar heat capacity at constant volume is | 1 |
3. Complex $A$ has a composition of $\mathrm{H}_{12} \mathrm{O}_{6} \mathrm{Cl}_{3} \mathrm{Cr}$. If the complex on treatment with conc. $\mathrm{H}_{2} \mathrm{SO}_{4}$ loses $13.5 \%$ of its original mass, the correct molecular formula of $\mathrm{A}$ is :
[Given : atomic mass of $\mathrm{Cr}=52 \mathrm{amu}$ and $\... | 1 |
56.
Q.
R.
S... | 1 |
25. When mercuric iodide is added to the aqueous solution of potassium iodide then
(a) freezing point is raised.
(b) freezing point is lowered
(c) freezing point does not change.
(d) boiling point does not change. | 1 |
To whom did the foreigners lose most of their acquired lands? | 0 |
What do teen boys do in their spare time? | 0 |
Someone sent an SMS to my friend with my Viber account. I'm active with just one device. How it could be? | 0 |
27. Electrolytic conduction is due to the movement of
(a) molecules
(b) atoms
(c) ions
(d) electrons | 1 |
16. The value of $r$ is
(a) $-\frac{1}{t}$
(b) $\frac{t^{2}+1}{t}$
(c) $\frac{1}{t}$
(d) $\frac{t^{2}-1}{t}$ | 1 |
Which 1980s war victory helped Britain seem more like a world power again? | 0 |
What kind of conversations only happen in Singapore? | 0 |
How do I become mature? | 0 |
33 Figure 12-49a shows a vertical uniform beam of length $L$ that is hinged at its lower end. A horizontal force $\vec{F}_{a}$ is applied to
(a)
 $\frac{7}{81}\left(179-10^{-20}\right)$
(b) $\frac{7}{9}\left(99-10^{-20}\right)$
(c) $\frac{7}{81}\left(179+10^{-20}\right)$
(d) $\frac{7}{9}\left(99+10^{-20}\right)$
(2013 Main) | 1 |
11. The domain of $f(x)$ is
a. $[0, \infty)$
b. $R-\{1\}$
c. $(-\infty, \infty)$
d. None of these | 1 |
Is it possible to have a FaceTime video chat with three people? | 0 |
The gland directly underneath the hypothalamus is which gland? | 0 |
How do I convince my parents to let me play football? | 0 |
How do I improve my English writing and speaking skills? | 0 |
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