Question stringlengths 2 3k | label int64 0 1 |
|---|---|
What is refractive index? | 0 |
How can iPhones get a virus? | 0 |
Who wrote 'What Is An Emotion?'? | 0 |
What are the side effects of Ibuprofen? | 0 |
15. A cell contains two hydrogen electrodes. The negative electrode is in contact with a solution of $10^{-6} \mathrm{M}$ hydrogen ions. The emf of the cell is 0.118 V at $25^{\circ} \mathrm{C}$. Calculate the concentration of hydrogen ions at the positive electrode.
[Hint: Positive electrode is cathode. See Exampl... | 1 |
Who did Austria-Hungary war with over territory? | 0 |
$\bullet 31$ SSM WWW A plastic disk of radius $R=64.0 \mathrm{~cm}$ is charged on one side with a uniform surface charge density $\sigma=7.73 \mathrm{fC} / \mathrm{m}^{2}$,
Figure 24-50... | 1 |
What is a notable English Gothic cathedral? | 0 |
40. The value of $P(-1)$ is
a. -1
c. 1
d. 2
h. 0 | 1 |
What are some of the best government colleges for economics graduate programs in India? | 0 |
What are the features of spring framework? | 0 |
27. A uniformly charged ring of radius $R$ is rotated about its axis with constant linear speed $v$ of each of its particles. The ratio of electric field to magnetic field at a point $P$ on the axis of the ring distant $x=R$ from centre of ring is ( $c$ is speed of light)
 How much time did the speed decrease take? | 1 |
Is there any way to get taller if I have already crossed 20? | 0 |
Example 1.131 Find the domain and the range of
$$
f(x)=\sqrt{3-2 x-x^{2}}
$$ | 1 |
63. If in a progression $a_{1}, a_{2}, a_{3}, \ldots$, etc., $\left(a_{r}-a_{r+1}\right)$ bears a constant ratio with $a_{r} \times a_{r+1}$, then the terms of the progression are in
a. A.P.
b. G.P.
c. H.P.
d. none of these | 1 |
What does it feel like to take Adderall? | 0 |
Who invented the wave at sporting events? | 0 |
46. How high must a column of water be to exert a pressure equal to that of a column of Hg that is 760 mm high
(a) 760 mm
(b) 55.9 mm
(c) 74480 mm
(d) 10336 mm | 1 |
Can you see who views your videos in Instagram? | 0 |
What did the first model for communication consist of? | 0 |
- Example 1.105 Prove that the angle between the lines joining the origin to the points of intersection of the straight line $y=3 x+2$ with the curve $x^{2}+2 x y+3 y^{2}+4 x+$ $8 y-11=0$ is $\tan ^{-1}(2 \sqrt{2} / 3)$. | 1 |
Where can i sell a business idea? | 0 |
Does Instacart accept food stamps? | 0 |
8. A Carnot engine works between $600 \mathrm{~K}$ and $300 \mathrm{~K}$. The efficiency of the engine is
(a) $50 \%$
(b) $70 \%$
(c) $20 \%$
(d) $80 \%$ | 1 |
Who runs the rail transport in Greece? | 0 |
What is the function of a subunit of RNA polymerase? | 0 |
What is the best way to go about getting a mentor? | 0 |
When did the Great Famine happen? | 0 |
Is "came" singular or plural? | 0 |
9. Air pollution that occurs in sunlight is :
(a) reducing smog
(b) acid rain
(c) oxidizing smog
(d) fog | 1 |
10. If $A$ and $B$ are square matrices of equal degree, then which one is correct among the following?
(a) $A+B=B+A$
(b) $A+B=A-B$
(c) $A-B=B-A$
(d) $A B=B A$ | 1 |
1. Let $\alpha=(\lambda-2) \mathbf{a}+\mathbf{b}$ and $\beta=(4 \lambda-2) \mathbf{a}+3 \mathbf{b}$ be two given vectors where vectors $\mathbf{a}$ and $\mathbf{b}$ are non-collinear. The value of $\lambda$ for which vectors $\alpha$ and $\beta$ are collinear, is
(a) 4
(b) -3
(c) 3
(d) -4 | 1 |
25. The maximum value of refractive index of a prism which permits the transmission of light through it when the refracting angle of the prism is $90^{\circ}$, is given by
(a) 1.500
(b) 1.414
(c) 2.000
(d) 1.732 | 1 |
Who defeated the Kakatiya dynasty in 1310? | 0 |
4. For an adiabatic compression the quantity $p V$
(a) increases
(b) decreases
(c) remains constant
(d) depends on $Y$ | 1 |
- 36 Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is hori-zontal distance $D=2.20 \mathrm{~m}$
 molar mass of the gas, | 1 |
72. The equilibrium constant $K_{p}$ for this reaction at $298 \mathrm{~K}$, in terms of $\beta_{\text {equilibrium, }}$ is
(a) $\frac{8 \beta_{\text {equilibrium }}^{2}}{2-\beta_{\text {equilibrium }}}$
(b) $\frac{8 \beta_{\text {equilibrium }}^{2}}{4-\beta_{\text {equilibriun }}^{2}}$
(c) $\frac{4 \beta_{\text {eq... | 1 |
1. Which of the following is true about $f(x)$ ?
a. $f(x)$ has a point of maxima
b. $f(x)$ has a point of minima
c. $f(x)$ is increasing
d. $f(x)$ is decreasing | 1 |
16. A candle of diameter $d$ is floating on a liquid in a cylindrical container of diameter $D(D \gg>d)$ as shown in figure. It it is burning at the rate of $2 \mathrm{~cm} / \mathrm{h}$. Then, the top of the candle will
 | 1 |
What is the latest trend amongst the youth in India? | 0 |
What does the acronym HMDA stand for? | 0 |
6. The correct sequence of thermal stability of the following carbonates is :
(a) $\mathrm{BaCO}_{3}<\mathrm{CaCO}_{3}<\mathrm{SrCO}_{3}<\mathrm{MgCO}$
(b) $\mathrm{MgCO}_{3}<\mathrm{CaCO}_{3}<\mathrm{SrCO}_{3}<\mathrm{BaCO}_{3}$
(c) $\mathrm{MgCO}_{3}<\mathrm{SrCO}_{3}<\mathrm{CaCO}_{3}<\mathrm{BaCO}_{3}$
(d) $\ma... | 1 |
17. A simple pendulum is suspended from the ceiling of a car accelerating uniformly on a horizontal road. If the acceleration is $a_{0}$ and the length of the pendulum is $l$, find the time period of small oscillations about the mean position. | 1 |
Which percentage of Hyderabad's population is below the poverty line? | 0 |
70. The function $f(x)=x(x+4) e^{-x / 2}$ has its local maxima at $x$ $=a$, then
a. $a=2 \sqrt{2}$
b. $a=1-\sqrt{3}$
c. $a=-1+\sqrt{3}$
d $a=-4$ | 1 |
49. The exothermic reaction between substances $A$ and $B$ is presented in the plot below. Catalyst-induced preparation of the substance $A B$ follows the pathway
(a) 1
(b) 2
(c) 3 | 1 |
1.250. A flywheel with the initial angular velocity $\omega_{0}$ decelerates due to the forces whose moment relative to the axis is proportional to the square root of its angular velocity. Find the mean angular velocity of the flywheel averaged over the total deceleration time. | 1 |
19. Bernoulli theorem is based on conservation of
(a) momentum
(b) mass
(c) energy
(d) angular momentum. | 1 |
15. Which of the following statements about $\mathrm{Na}_{2} \mathrm{O}_{2}$ is not correct?
(a) It is diamagnetic in nature
(b) It is derivative of $\mathrm{H}_{2} \mathrm{O}$
(c) $\mathrm{Na}_{2} \mathrm{O}_{2}$ oxidises $\mathrm{Cr}^{3+}$ to $\mathrm{CrO}_{4}^{2-}$ in acid medium.
(d) It is the super oxide of so... | 1 |
Example 2.31 Solve $\tan x>\cot x$, where $x \in|0,2 \pi|$. | 1 |
What work would you do if you had enough money to not have to work? | 0 |
How do you make a border on Photoshop? | 0 |
20. In reaction $A+2 B \rightleftharpoons 2 C+D$, initial concentration of $B$ was 1.5 times of $[A]$, but at equilibrium the concentrations of $A$ and $B$ became equal. The equilibrium constant for the reaction is :
(a) 8
(b) 4
(c) 12
(d) 6 | 1 |
3. Number of Benzylic carbons in the given compound are :
(A) 4
(B) 3
(C) 1
(D) 2 | 1 |
26. Prove that $\sin x+2 x \geq \frac{3 x(x+1)}{\pi}, \forall x \in 0, \frac{\pi}{2}$ (Justify the inequality, if any used). | 1 |
If I, an unarmed citizen, exercised my right as "one of the people" to use the Malheur Wildlife Refuge right now, how would Amon Bundy respond? | 0 |
Is it illegal to use a fake .edu email to get student discounts? | 0 |
20. Which of the following statements concerning geometrical isomers is/are correct ?
(1) The cis isomer has a higher melting point than the trans isomer.
(2) A pair of geometrical isomers has the same functional group.
(3) Any organic compounds with a carbon-carbon double bondhave geometrical isomers.
(A) (1) only... | 1 |
21. The test to distinguish primary, secondary and tertiary amines is :
(a) Sandmeyer's reaction
(b) Carbylamine reaction
(c) Mustard oil test
(d) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{SO}_{2} \mathrm{C}$ | 1 |
88. Statement-1 $: p$-Hydroxybenzoic acid has a lower boiling point than $o$-hydroxybenzoic acid.
Statement-2 : $o$-Hydroxybenzoic acid has intramolecular hydrogen bonding. | 1 |
(ii) $\mathrm{B}_2 \mathrm{H}_6+\mathrm{H}_2 \mathrm{O} \rightarrow$ | 1 |
1. Calculate the temperature at which the velocity of sound in air is double its velocity at $0^{\circ} \mathrm{C}$. | 1 |
When and how should I apply for scholarships? | 0 |
8. All possible 6 digit numbers, in each of which the digits occur in non increasing order (From left to right e.g. 877550) are written as a sequence in increasing order. Find the $2005^{\text {th }}$ number in this sequence.
(a) 864110
(b) 864000
(c) 864100
(d) None of these | 1 |
43. If the product of the gas constant $R$ i.e., $0821 \mathrm{lit} \mathrm{atm} / \mathrm{K} / \mathrm{mole}$ and NTP temperature in kelvin equals $22 \cdot 4$, the compressibility factor of the gas at 1 atmospheric pressure is
(a) $>1$
(b) $<1$
(c) $=1$
(d) $=0$ | 1 |
18. In the formula $X=3 Y Z^{2}, X$ and $Z$ have dimensions of capacitance and magnetic induction respectively. What are the dimensions of $Y$ in MKSQ system?
(a) $\left[\mathrm{M}^{-3} \mathrm{~L}^{-1} \mathrm{~T}^{3} \mathrm{Q}^{4}\right]$
(b) $\left[\mathrm{M}^{-3} \mathrm{~L}^{-2} \mathrm{~T}^{4} \mathrm{Q}^{4}\rig... | 1 |
Why do I feel dizzy when I tilt my head to the side? | 0 |
15. If the acceleration and velocity of a charged particle moving in a constant magnetic region is given by $\mathbf{a}=a_{1} \hat{\mathbf{i}}+a_{2} \hat{\mathbf{k}}, \mathbf{v}=b_{1} \hat{\mathbf{1}}+b_{2} \hat{\mathbf{k}}$. $\left[a_{1}, a_{2}, b_{1}\right.$ and $b_{2}$ are constants], then choose the wrong statement... | 1 |
19. One gram of the acid $\mathrm{C}_6 \mathrm{H}_{10} \mathrm{O}_4$ requires 0.768 g of KOH for complete neutralisation. How many neutralisable hydrogen atoms are in this molecule? | 1 |
What hotel in Shillong Hill-station would be safe for unmarried couples, without the harassment of police, hotel staff, and moral police? | 0 |
What is the point of life? | 0 |
7. A block of mass $m$ is placed on a surface with a vertical cross-section given by $y=x^{3} / 6$. If the coefficient of friction is 0.5 , the maximum height above the ground at which the block can be placed without slipping is
(a) $\frac{1}{6} \mathrm{~m}$
(b) $\frac{2}{3} \mathrm{~m}$
(c) $\frac{1}{3} \mathrm{~m}$... | 1 |
13. An instructor has a question bank consisting of 300 easy True / False questions, 200 difficult True / False questions, 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected at random from the question bank, what is the probability that it will be an easy question ... | 1 |
55. A bullet of mass $10 \mathrm{~g}$ moving horizontally at a speed of $50 \sqrt{7} \mathrm{~m} / \mathrm{s}$ strikes a block of mass $490 \mathrm{~g}$ kept on a frictionless track as shown in figure (9-E17). The bullet remains inside the block and the system proceeds towards the semicircular track of radius $0.2 \mat... | 1 |
43. According to Graham's law, at a given temperature the ratio of the rates of diffusion $r_{A} / r_{B}$ of gases $A$ and $B$ is given by
(a) $\left(P_{A} / P_{B}\right)\left(M_{A} / M_{B}\right)^{1 / 2}$
(b) $\left(M_{A} / M_{B}\right)\left(P_{A} / P_{B}\right)^{1 / 2}$
(c) $\left(P_{A} / P_{B}\right)\left(M_{B} /... | 1 |
What is the July Monarchy? | 0 |
What was the best day of your life? | 0 |
Who were the leaders of the Federalist and Democratic-Republican parties? | 0 |
(iii) $\mathrm{BrO}_3^{-}$ | 1 |
19. The number of hydroxyl group(s) in $Q$ is
$\xrightarrow[\text { hcat }]{\mathrm{H}^{+}} P \xrightarrow[0^{\circ} \mathrm{C}]{\text { aqueous dilute } \mathrm{KMnO}_{4} \text { (exces... | 1 |
What can I do to feel less depressed? | 0 |
How can I get the IP address of messages received on Facebook? | 0 |
What type of transport that is not government owned is commonly used in Hyderabad? | 0 |
Who was the subject of Gesta Friderici Imperatoris? | 0 |
How do I start preparation for IAS? | 0 |
What does SASO stand for? | 0 |
2. Mark the correct options.
(a) If the incident rays are converging, we have a real object.
(b) If the final rays are converging, we have a real image.
(c) The image of a virtual object is called a virtual image.
(d) If the image is virtual, the corresponding object is called a virtual object. | 1 |
Corruption raises the cost of business because of illegal payments in what sector? | 0 |
How do supernatural entities act? | 0 |
26. Two persons $A$ and $B$ agree to meet at a place between 5 and $6 \mathrm{pm}$. The first one to arrive waits for $20 \mathrm{~min}$ and then leave If the time of their arrival be independent and at random, then the probability that $A$ and $B$ meet is
a. $1 / 3$
b. $1 / 3$
c. $2 / 3$
d. $5 / 9$ | 1 |
34. Which of the following compounds will exhibit cis-trans (geometrical) isomerism?
(a) 2-butene
(b) 2-butyne
(c) 2-butanol
(d) butanal | 1 |
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