Question stringlengths 2 3k | label int64 0 1 |
|---|---|
How can AT&T track my phone calls? | 0 |
13. Aminoglycosides are usually used as:
(a) antibiotic
(b) analgesic
(c) hypnotic
(d) antifertility | 1 |
How do musicians make money? | 0 |
3. Displacement of ball with respect to ground during its flight would be
(a) $16.25 \mathrm{~m}$
(b) $8.76 \mathrm{~m}$
(c) $20.24 \mathrm{~m}$
(d) $30.56 \mathrm{~m}$ | 1 |
Question 10:
Find the sum of $n$ terms in the geometric progression $x^3, x^5, x^7 \ldots$. (if $\left.x \neq \pm 1\right)$ | 1 |
I want to find foreign friends. What should I do? | 0 |
10. Let $a, b, c$ be real. If $a x^{2}+b x+c=0$ has two real roots $\alpha$ and $\beta$, where $\alpha<-1$ and $\beta>1$, then show that $1+\frac{c}{a}+\frac{b}{a}<0$
(1995, 5M) | 1 |
What are some lesser known but interesting facts about Narendra Modi? | 0 |
3. A bob of mass $M$ is suspended by a massless string of length $L$. The horizontal velocity $v$ at position $A$ is just sufficient to make it reach the point $B$. The angle $\theta$ at which the speed of the bob is half of that at $A$, statisfies
? | 0 |
Example 14 The water level in a vertical glass tube $1.0 \mathrm{~m}$ long can be adjusted to any position in the tube. A tuning fork vibrating at $660 \mathrm{~Hz}$ is held just over the open top end of the tube. At what positions of the water level will there be in resonance? Speed of sound is $330 \mathrm{~m} / \mat... | 1 |
If I have an idea for an app, should I use an incubator like Science (LA Growth lab) or try to outsource the design and creation through freelancing? | 0 |
22. A real image of a distant object is formed by a plano-convex lens on its principal axis. Spherical aberration
(a) is absent
(b) is smaller if the curved surface of the lens faces the object
(c) is smaller if the plane surface of the lens faces the object
(d) is the same whichever side of the lens faces the obj... | 1 |
In what year did Michel Foucalt publish The History Of Sexuality? | 0 |
25. $\frac{\sin ^{12} x}{a^{5}}+\frac{\cos ^{12} x}{b^{5}}=$
(a) $\frac{1}{(a+b)^{6}}$
(b) $\frac{1}{(a+b)^{5}}$
(c) $\frac{a^{2}+b^{2}}{(a+b)^{5}}$
(d) $\frac{a^{2}+b^{2}-a b}{(a+b)^{5}}$ | 1 |
What is the psychology of consumer behavior? | 0 |
20. The change in the magnetic dipole moment associated with the orbit, at the end of the time interval of the magnetic field change, is
(a) $\mathrm{YBQR^{2 }}$
(b) $-\gamma \frac{B Q R^{2}}{2}$
(c) $\gamma \frac{B Q R^{2}}{2}$
(d) $\gamma B Q R^{2}$ | 1 |
1. Three coherent waves having amplitudes $12 \mathrm{~mm}, 6 \mathrm{~mm}$ and $4 \mathrm{~mm}$ arrive at a given point with successive phase difference of $\pi / 2$. Then, the amplitude of the resultant wave is
(a) $7 \mathrm{~mm}$
(b) $10 \mathrm{~mm}$
(c) $5 \mathrm{~mm}$
(d) $4.8 \mathrm{~mm}$ | 1 |
68 In Fig. 22-65, eight particles form a square in which distance $d=2.0 \mathrm{~cm}$. The charges are $q_{1}=+3 e$, $q_{2}=+e, q_{3}=-5 e, q_{4}=-2 e, q_{5}=+3 e$, $q_{6}=+e, q_{7}=-5 e$, and $q_{8}=+e$. In unitvector notation, what is the net electric field at the square's center?
. The curved portion is a semicircle and the straight wires are long.
Figure 35 -W8 | 1 |
Ex. 39. The equivalent conductance at infinite dilution are sodium benzoate $=82 \cdot 4$; hydrochloric acid $=426 \cdot 2$ and sodium chloride $=126.5 \mathrm{mho} \mathrm{cm}^{2}$. Calculate $\Lambda^{\circ}$ for benzoic acid. | 1 |
9. The correct statement(s) among I to III with respect to potassium ions that are abundant within the cell fluidsis/are:
I. They activate many enzymes
II. They participate in the oxidation of glucose to produce ATP
III. Along with sodium ions, they are responsible for the transmission of nerve signals
(a) I and I... | 1 |
How do you write songs on a guitar if you can't read music? | 0 |
1. The potential energy curve for the $\mathrm{H}_{2}$ molecule as a function of internuclear distance is :
(a)
(b)
 $F_{1}=F_{2}=F_{3}$
(b) $F_{1}>F_{2}>F_{3}$
(c) $F_{2}>F_{3}>F_{1}$
(d) $F_{2}=F_{3}>F_{1}$ | 1 |
How can I find if someone has deleted their whisper app? | 0 |
Ex. 59. Find the simultaneous solubility of AgSCN and AgBr if their solubility products are $1.0 \times 10^{-12}$ and $5 \times 10^{-13}$ respectively. | 1 |
48. A mixture consists of $A$ (yellow solid) and $B$ (colourless solid) which gives lilac colour in flame.
(a) Mixture gives black precipitate $C$ on passing $\mathrm{H}_{2} \mathrm{~S}(\mathrm{~g})$ through its aqueous solution.
(b) $C$ is soluble in aqua-regia and on evaporation of aqua-regia and adding $\mathrm{Sn... | 1 |
How do I make money online without spending money? | 0 |
How can I earn money part time online? | 0 |
2. The heavier nuclei tend to have larger $N / Z$ ratio because
(a) a neutron is heavier than a proton
(b) a neutron is an unstable particle
(c) a neutron does not exert electric repulsion
(d) Coulomb forces have longer range compared to the nuclear forces. | 1 |
2. Nine wires each of resistance $r$ are connected to make a prism as shown in figure. Find the equivalent resistance of the arrangement across
(a) $A D$
(b) $A B$ | 1 |
7.42 The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ion in it. | 1 |
18. The correct sequence of reagents for the following conversion will be :
(a) $\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{+} \mathrm{OH}^{-}, \mathrm{H}^{+} / \mathrm{CH}_{3} \mathrm{OH}, \mathrm{CH}... | 1 |
14. Let $M$ be a $2 \times 2$ symmetric matrix with integer entries. Then, $M$ is invertible, if
(2014 Adv.)
(a) the first column of $M$ is the transpose of the second row of $M$
(b) the second row of $M$ is the transpose of the first column of $M$
(c) $M$ is a diagonal matrix with non-zero entries in the main digo... | 1 |
15. A solid $X Y$ kept in an evacuated sealed container undergoes decomposition to form a mixture of gases $\mathrm{X}$ and $\mathrm{Y}$ at temperature $\mathrm{T}$. The equilibrium pressure is 10 bar in the vessel. $K_{\mathrm{p}}$ for this reaction is:
(a) 25
(b) 100
(c) 10
(d) 5 | 1 |
10. The major products A and B in the following reactions are:
[Main Jan. 08, $2020(I)]$
(a)
(b)
 $\alpha$-chlorobutyric acid
(B) $\beta$-chlorobutyric acid
(C) $\alpha$-fluorobutyric acid
(D) $\beta$-fluorobutyric acid | 1 |
Can you die from taking too much Tylenol? | 0 |
24. A tuning fork of frequency $340 \mathrm{~Hz}$ is excited and held above a cylindrical tube of length $120 \mathrm{~cm}$. It is slowly filled with water. The minimum height of water column required for resonance to be first heard (Velocity of sound $=340 \mathrm{~ms}^{-1}$ ) is
(a) $25 \mathrm{~cm}$
(b) $75 \mathrm{... | 1 |
What notable vow was sworn by the mendicant orders? | 0 |
2. The IUPAC name of the following compound is :
(a) 5-Bromo-3-methylcyclopentanoic acid
(b) 4-Bromo-2-methylcyclopentane carboxylic acid
(c) 3-Bromo-5-methylcyclopentanoic acid
(d) 3-B... | 1 |
Why do you spend time on Quora? | 0 |
Is it correct to state that someone who is not a feminist is a sexist, a misogynist or anti-women? | 0 |
10. Two sounding bodies are producing progressive waves given by $y_{1}=2 \sin (400 \pi t)$ and $y_{2}=\sin (404 \pi t)$ where $t$ is in second, which superpose near the ears of a person. The person will hear
(a) 2 beats/s with intensity ratio $9 / 4$ between maxima and minima
(b) 2 beats/s with intensity ratio 9 bet... | 1 |
26. A nuclear explosion has taken place leading to increase in concentration of $C^{14}$ in nearby areas. $C^{14}$ concentration is $C_{1}$ in nearby areas and $C_{2}$ in areas far away. If the age of the fossil is determined to be $T_{1}$ and $T_{2}$ at the respective places then
(a) The age of the fossil will incre... | 1 |
Example 11 About 5\% of the power of a 100 W light bulb is converted to visible radiation. What is the average intensity of visible radiation
(a) at a distance of $1 \mathrm{~m}$ from the bulb?
(b) at a distance of $10 \mathrm{~m}$ ?
Assume that the radiation is emitted isotropically and neglect reflection. | 1 |
18. For all complex numbers $z_{1}, z_{2}$ satisfying $\left|z_{1}\right|=12$ and $\left|z_{2}-3-4 i\right|=5$, the minimum value of $\left|z_{1}-z_{2}\right|$ is
a. 0
b. 2
c. 7
d. 17 | 1 |
How do I travel to Mysore Infosys campus? | 0 |
- 30 A A 2.0 kg breadbox on a frictionless incline of angle $\theta=40^{\circ}$ is connected, by a cord that runs over a pulley, to a light spring of spring con-stant k = 120 N/m, as shown in
Fig. 8-43. The box is released from rest when the spring is unstretched. Assume that the pulley is massless and frictionless. (a... | 1 |
How do you define static array of objects in PHP? | 0 |
44. A block of mass m moving at a speed v compresses a
spring through a distance x before its speed is halved.
Find the spring constant of the spring. | 1 |
Why was Pablo Picasso so famous? | 0 |
How come my questions always get ignored on Quora? | 0 |
Can I check who viewed my Instagram pic? | 0 |
20. Which of the following quantities is/are positive?
a. $\cos \left(\tan ^{-1}(\tan 4)\right)$
b$\sin \left(\cot ^{-1}(\cot 4)\right)$
c. $\tan \left(\cos ^{-1}(\cos 5)\right)$
d $\cot \left(\sin ^{-1}(\sin 4)\right)$ | 1 |
4. Tyndall effect is observed when :
$
(a) The diameter of dispersed particles is much larger than the wavelength of light used.
(b) The diameter of dispersed particles is much smaller than the wavelength of light used.
(c) The refractive index of dispersed phase is greater than that of the dispersion medium.
(d) ... | 1 |
1. Cross product of two parallel or antiparallel vectors is a null vector. Is this statement true or false? | 1 |
Example 12 Show that $f: \mathbf{N} \rightarrow \mathbf{N}$, given by
$$
f(x)=\begin{aligned}
& x+1, \text { if } x \text { is odd } \\
& x-1, \text { if } x \text { is even }
\end{aligned}
$$
is both one-one and onto.
 | 1 |
When did you realize that you were all grown up? | 0 |
Can I start making watches on my own? | 0 |
(c) Isopentane, 2-methylpentane, neopentane | 1 |
- Example 1.28 A rod of length $I$ slides with its ends on two perpendicular lines. Find the locus of its midpoint. | 1 |
53. If $I_{n}=\int_{-\pi}^{\pi} \frac{\sin n x}{\left(1+\pi^{x}\right) \sin x} d x, n=0,1,2, \ldots$, then
(a) $I_{n}=I_{n+2}$
(b) $\sum_{m=1}^{10} I_{2 m+1}=10 \pi$
(c) $\sum_{m=1}^{10} I_{2 m}=0$
(d) $I_{n}=I_{n+1}$ | 1 |
How do I stop from becoming a perfectionist? | 0 |
What are some things new employees should know going into their first day at Park National? | 0 |
$\because 24$.co In Fig. 14-35, water stands at depth $D=35.0 \mathrm{~m}$ behind the vertical upstream face of a dam of width $W=314 \mathrm{~m}$. Find (a) the net horizontal force on the dam from the gauge pressure of the water and (b) the net torque due to that force
 \rightarrow \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}+\mathrm{KI}$
is classified as :
(a) electrophilic substitution
(b) nucleophilic substitution
(c) elimination
(d) addition | 1 |
When was Telangana state announced? | 0 |
Why do North America use different bands for LTE? | 0 |
What if was to bet entire Quora community they can't provide a single source that has more evidence than this one in the description below? | 0 |
6. An unknown alochol is treated with the "Lucas reagent" to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism :
(a) secondary alcohol by $\mathrm{S}_{\mathrm{N}} 1$
(b) tertiary alcohol by $\mathrm{S}_{\mathrm{N}} 1$
(c) secondary alcohol by $\math... | 1 |
How to access dark web? | 0 |
24. Which all of the following is/are true about $S_{n}=\left|A_{1} A_{2}\right|^{2}+\left|A_{1} A_{3}\right|^{2}+\ldots\left|A_{1} A_{n}\right|^{2}$,
(a) Is independent of ' $n$ '
(b) $S_{n}$ can never be a prime
(c) $S_{12}>20$
(d) $S_{n}$ can never be a perfect square | 1 |
What are the main differences between hedge funds and investment banks? | 0 |
24. Liquids $\mathbf{A}$ and $\mathbf{B}$ form ideal solution for all compositions of $\mathbf{A}$ and $\mathbf{B}$ at $25^{\circ} \mathrm{C}$. Two such solutions with 0.25 and 0.50 mole fractions of $\mathbf{A}$
have the total vapor pressures of 0.3 and 0.4 bar, respectively. What is the vapor pressure of pure liquid ... | 1 |
- Example 4 The length $x$ of a rectangle is decreasing at the rate of $3 \mathrm{~cm} /$ minute and the width $y$ is increasing at the rate of $2 \mathrm{~cm} /$ minute. When $x=10 \mathrm{~cm}$ and $y=6 \mathrm{~cm}$, find the rates of change of (a) the perimeter and (b) the area of the rectangle. | 1 |
18. A steady current $I$ flows along an infinitely long hollow cylindrical conductor of radius $R$. This cylinder is placed coaxially inside an infinite solenoid of radius $2 R$. The solenoid has $n$ turns per unit length and carries a steady current $I$. Consider a point $P$ at a distance $r$ from the common axis. The... | 1 |
16. Two particles $X$ and $Y$ having equal charges, after being accelerated through the same potential difference, enter a region of uniform magnetic field and describe circular paths of radii $R_{1}$ and $R_{2}$ respectively. The ratio of the mass of $X$ to that of $Y$ is
(a) $\left(R_{1} / R_{2}\right)^{1 / 2}$
(b)... | 1 |
What annual parade takes place on the Rajpath each January? | 0 |
4. A wooden block, with a coin placed on its top, floats in water as shown in figure. The distance $l$ and $h$ are shown there. After sometime the coin falls into the water. Then $(2002,2 \mathrm{M})$
 1
(B) 2
(C) 3
(D) 4
(E) 5 | 1 |
11. Statement 1: If $p, q<r$, the number of different selections of $p+q$ things taking $r$ at a time, where $p$ things are identical and $q$ other things are identical, is $p+q-r+1$.
Statement 2: If $p, q>r$, the number of different selections of $p+q$ things taking $r$ at a time, where $p$ things are identical and $... | 1 |
Now I am 26 years old but I didn't have a spouse or house, I just live on myself with little income, what is the best time I should get married? | 0 |
What year saw the expulsion of the French Jewish community? | 0 |
How do I lose weight without quitting? | 0 |
Is bottled water better for you than tap water? | 0 |
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