Question stringlengths 2 3k | label int64 0 1 |
|---|---|
To what dynasty did Henry II belong? | 0 |
What is a popular type of architecture that still exists around the planet? | 0 |
Why do I want to be with someone always, otherwise I am feeling depressed? | 0 |
What do I do when I don't know what do I have to do? | 0 |
8.6 Choose the correct alternative:
(a) If the zero of potential energy is at infinity, the total energy of an orbiting satellite is negative of its kinetic/potential energy.
(b) The energy required to launch an orbiting satellite out of earth's gravitational influence is more/less than the energy required to project... | 1 |
62. An appropriate name for the compound shown to the right is :
(A) p-nitrophenol
(B) m-nitrophenol
(C) o-nitrophenol
(D) m-nitrophenyl | 1 |
Am I wasting time and money studying computer science when I keep getting grade D and failing many other units? | 0 |
Will Spectacles go the way of Google Glass? | 0 |
3. If $c$ is a given non-zero scalar, and $\vec{A}$ and $\vec{B}$ are given non-zero vectors such that $\vec{A} \perp \vec{B}$, then find vector $\vec{X}$ which satisfies the equations $\vec{A} \cdot \vec{X}=c$ and $\vec{A} \times \vec{X}=\vec{B}$. | 1 |
10. An organic compound ' $A$ ' is oxidized with $\mathrm{Na}_{2} \mathrm{O}_{2}$ followed by boiling with $\mathrm{HNO}_{3}$. The resultant solution is then treated with ammonium molybdate to yield a yellow precipitate.
Based on above observation, the element present in the given compound is:
(a) Nitrogen
(b) Pho... | 1 |
How can I make bigger my arms? | 0 |
47. In the following graph in which volume is plotted versus temperature, the lines $A, B$ and $C$ represent the same mass of the same ideal gas at different pressures $p_{1}, p_{2}$ and $p_{3}$ respectively.
The correct relationship of pressures is
(a) $p_{1}>p_{2}>p_{3}$
(b) $p_{1}=p_{2}=p_{3}$
(c) $p_{3}>p_{2}>p_{1}... | 1 |
What are the best websites for studying mechanical engineering? | 0 |
2. Mischmetal is an alloy consisting mainly of:
(a) lanthanoid metals
(b) actinoid and transition metals
(c) lanthanoid and actinoid metals
(d) actinoid metals | 1 |
21. If the system of equations $x+a y=0, a z+y=0$ and $a x+z=0$ has infinite solutions, then the value of $a$ is
(a) -1
(b) 1
(c) 0
(d) no real values | 1 |
12. The current required to displace $0 \cdot 1 \mathrm{~g}$ of $\mathrm{H}_{2}$ in 10 seconds will be
(a) 9.65 amp
(b) 1.988 amp
(c) 198 amp
(d) 965 amp | 1 |
Is IBM GBS a good option for a fresher like me? | 0 |
6.197. Employing Eq. (6.4g), find at $T=0$ :
(a) the maximum kinetic energy of free electrons in a metal if their concentration is equal to $n$;
(b) the mean kinetic energy of free electrons if their maximum kinetic energy $T_{\max }$ is known. | 1 |
5. 0.788 g of a substance after digestion with $\mathrm{H}_{2} \mathrm{SO}_{4}$ was distilled with an excess of NaOH . The liberated $\mathrm{NH}_{3}$ was absorbed in 100 mL of $\mathrm{NH}_{2} \mathrm{SO}_{4}$ solution. The remaining acid required 73.7 mL of N NaOH solution for neutralization. Find the percentage of n... | 1 |
71. If $f(x)=\left\{\begin{array}{cl}\sin ^{-1}(\sin x), & x>0 \\ \frac{\pi}{2}, & x=0, \text { then } \\ \cos ^{-1}(\cos x), & x<0\end{array}\right.$
a. $x=0$ is a point of maxima
b. $x=0$ is a point of minima
c. $x=0$ is a point of intersection
d. None of these | 1 |
What's the best way to get a good deal in a car lease? | 0 |
9. In the circuit shown, find $C$ if the effective capacitance of the whole circuit is to be $0.5 \mu \mathrm{F}$. All values in the circuit are in $\mu \mathrm{F}$.
(a) $\frac{6}{5} \mu ... | 1 |
13. In the arrangement shown in figure $(3-\mathrm{Q} 3)$, the ends $P$ and $Q$ of an inextensible string move downwards with uniform speed $u$. Pulleys $A$ and $B$ are fixed. The mass $M$ moves upwards with a speed
(a) $2 u \cos \theta$
(b) $u / \cos \theta$
(c) $2 u / \cos \theta$
(d) $u \cos \theta$. 
(I)
(II)
 | | | | | | 1 |
13. Let $\overrightarrow{\mathbf{a}}$ and $\overrightarrow{\mathbf{b}}$ be two non-collinear unit vectors. If $\overrightarrow{\mathbf{u}}=\overrightarrow{\mathbf{a}}-(\overrightarrow{\mathbf{a}} \cdot \overrightarrow{\mathbf{b}}) \overrightarrow{\mathbf{b}}$ and $\overrightarrow{\mathbf{v}}=\overrightarrow{\mathbf{a}}... | 1 |
Which dynasty outlawed opium trade? | 0 |
Do dark skinned Indian girls like dark skinned Indian guys? | 0 |
7. The freezing point of benzene decreases by $0.45^{\circ} \mathrm{C}$ when $0.2 \mathrm{~g}$ of acetic acid is added to $20 \mathrm{~g}$ of benzene. If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be :
$\left(K_{f}\right.$ for benzene $\left.=5.12 \mathrm... | 1 |
What is the name of God in Judaism? | 0 |
Why is Russia considered neither Asian nor European? | 0 |
What were the core epics of the Vedas? | 0 |
What are some things new employees should know going into their first day at Google? | 0 |
What is considered a de facto second language in Mediterranean Europe? | 0 |
Where can I find the poster of Titanic? | 0 |
6. Number of $\alpha$-hydrogen in given compound are :
(A) 5
(B) 6
(C) 7
(D) 8 | 1 |
14. A projectile is fired from the origin with a velocity $v_{0}$ at an angle $\theta$ with the $x$-axis. The speed of the projectile at an altitude $h$ is
(a) $v_{0} \cos \theta$
(b) $\sqrt{v_{0}^{2}-2 g h}$
(c) $\sqrt{v_{0}^{2} \sin ^{2} \theta-2 g h}$
(d) None of these | 1 |
What is the best tangible gift you've ever received? | 0 |
6. A bar magnet is demagnetised by inserting it inside a solenoid of length $0.2 \mathrm{~m}, 100$ turns and carrying a current of 5.2 A. The coercivity of the bar magnet is (a) $1200 \mathrm{~A} / \mathrm{m}$ (b) $285 \mathrm{~A} / \mathrm{m}$ (c) $2600 \mathrm{~A} / \mathrm{m}$ (d) $520 \mathrm{~A} / \mathrm{m}$ | 1 |
2. A large plane charge sheet having surface charge density $\sigma=2 \cdot 0 \times 10^{-6} \mathrm{C} \mathrm{m}^{-2}$ lies in the $x-y$ plane. Find the flux of the electric field through a circular area of radius $1 \mathrm{~cm}$ lying completely in the region where $x, y, z$ are all positive and with its normal mak... | 1 |
How can I develop a strong and influencial personality? | 0 |
What are some ways to combat a writer's block? | 0 |
37. The equivalent conductance of NaCl at concentration, C and at infinite dilution are $\Lambda_{c}$ and $\Lambda_{\infty}$ respectively. The correct relationship between $\Lambda_{c}$ and $\Lambda_{\infty}$ is given
by (where the constant $B$ is positive)
(a) $\Lambda_{c}=\Lambda_{\infty}+(B) C$
(b) $\Lambda_{c}=\Lam... | 1 |
1. Dissociation constant of $\mathrm{H}_2 \mathrm{O}$ at $25^{\circ} \mathrm{C}$ is
(a) $1 \times 10^{-14}$
(b) $1 \times 10^{14}$
(c) 14
(d) $1.8 \times 10^{-16}$ | 1 |
5. The area enclosed between the curves $y=a x^{2}$ and $x=a y^{2}$ (where $a>0$ ) is 1 sq. unit, then the value of $a$ is
a. $1 / \sqrt{3}$
b. $1 / 2$
c. 1
d. $1 / 3$ | 1 |
15. If $a>2 b>0$, then positive value of $m$ for which $y=m x-b \sqrt{1+m^{2}}$ is a common tangent to $x^{2}+y^{2}=b^{2}$ and $(x-a)^{2}+y^{2}=b^{2}$ is
(a) $\frac{2 b}{\sqrt{a^{2}-4 b^{2}}}$
(b) $\frac{\sqrt{a^{2}-4 b^{2}}}{2 b}$
(c) $\frac{2 b}{a-2 b}$
(d) $\frac{b}{a-2 b}$ | 1 |
What is the best way to think of collections in Java? | 0 |
Who did the Tories oppose? | 0 |
21. $\mathrm{AgNO}_{3}$ (aq.) was added to an aqueous $\mathrm{KCl}$ solution gradually and the conductivity of the solution was measured. The plot of conductance $(\Lambda)$ versus the volume of $\mathrm{AgNO}_{3}$ is
 $50 \mathrm{~m}$
(b) $75 \mathrm{~m}$
(c) $100 \mathrm{~m}$
(d) $125 \mathrm{~m}$ | 1 |
63. $\lim _{x \rightarrow 1} \frac{(1-x)\left(1-x^{2}\right) \cdots\left(1-x^{2 n}\right)}{\left\{(1-x)\left(1-x^{2}\right) \cdots\left(1-x^{n}\right)\right\}^{2}}, n \in N$
a. ${ }^{2 n} P$
b. ${ }^{2 n} C_{n}$
c. $(2 n)$ !
d. None of these | 1 |
Who was defeated by Henry Vll at the battle of Bosworth? | 0 |
4. A time dependent force $F=6 t$ acts on a particle of mass $1 \mathrm{~kg}$. If the particle starts from rest, the work done by the force during the first $1 \mathrm{~s}$ will be
(a) $22 \mathrm{~J}$
(b) $9 \mathrm{~J}$
(c) $18 \mathrm{~J}$
(d) $4.5 \mathrm{~J}$ | 1 |
9. $\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\ldots+\frac{1}{2^{n}}=1-\frac{1}{2^{n}}$. | 1 |
What is the best technique to remove water from one's ear? | 0 |
(iii) $\mathrm{C}=\{x: x$ is a two-digit natural number such that the sum of its digits is 8 $\}$ | 1 |
What Scythian weapon was used during this era? | 0 |
58. The compound $(\mathrm{T})$ is
(a) glycine
(b) alanine
(c) valine
(d) serine | 1 |
30. A $50 \mathrm{~Hz}$ AC source of $20 \mathrm{~V}$ is connected across $R$ and $C$ as shown in figure. The voltage across $R$ is $12 \mathrm{~V}$. The voltage across $C$ is
(a) $8 \mathrm{~V}$
(b) $16 \mathrm{~V}$
(c) $10 \mathrm{~V}$
 2
(b) 3
(c) 4
(d) 14 | 1 |
What is it like to take the TOEFL exam? | 0 |
52. Without drawing the structures, correctly match the given compounds with fused bicyclic compound and bridged bicyclic compound:
$P=$ bicyclo[2.1.1]hexane $\quad Q=$ bicyclo[3.1.0]hexane
(A) fused bicyclic compound $=\mathrm{P}$ bridged bicyclic compound $=\mathrm{P}$
(B) fused bicyclic compound $=\mathrm{P}$ bri... | 1 |
16. The oxidation number of phosphorus in $\mathrm{Ba}\left(\mathrm{H}_{2} \mathrm{PO}_{2}\right)_{2}$ is :
(a) +3
(b) +2
(c) +1
(d) -1 | 1 |
How much has new types of Internet journalism replaced what has been lost in the press? | 0 |
Problem 10.1
What is the oxidation state of K in $\mathrm{KO}_2$ ? | 1 |
6. If $A=\left[\begin{array}{cc}-1 & 1 \\ 0 & -2\end{array}\right]$, then prove that $A^{2}+3 A+2 I=O$, hence find $B$ and $C$ matrices of order 2 with integer elements, if $A=B^{3}+C^{3}$. | 1 |
13. The speed of a train increases at a constant rate $\alpha$ from zero to $v$ and then remains constant for an interval and finally decreases to zero at a constant rate $\beta$. The total distance travelled by the train is $l$. The time taken to complete the journey is $t$. Then,
(a) $t=\frac{l(\alpha+\beta)}{\alpha ... | 1 |
What are causes of Social Anxiety Disorder? | 0 |
What are some of the must read fiction & non fiction books? | 0 |
Who distributes CBS Records material? | 0 |
How can one track a mobile number location? | 0 |
What does undergraduate and postgraduate mean? | 0 |
Example 3.71 A ray of light moving parallel to the $x$-axis gets reflected form a parabolic mirror whose equation is $(y-2)^{2}=4(x+1)$. Find the point on the axis of parabola through which the ray must pass after reflection. | 1 |
1. A concave mirror has radius of curvature of $40 \mathrm{~cm}$. It is at the bottom of a glass that has water filled up to $5 \mathrm{~cm}$ (see figure). If a small particle is floating on the surface of water, its image as seen, from directly above the glass, is at a distance $d$ from the surface of water. The value... | 1 |
Is Qnet safe to invest? | 0 |
3. A light beam travelling in the $x$-direction is described by the electric field $E_{y}=\left(300 \mathrm{~V} \mathrm{~m}^{-1}\right) \sin \omega(t-x / c)$. An electron is constrained to move along the $y$-direction with a speed of $2 \cdot 0 \times 10^{7} \mathrm{~m} \mathrm{~s}^{-1}$. Find the maximum electric forc... | 1 |
3. Which of the following is not the value of $\tan (\alpha+\beta)$ ?
a. $\frac{\sin \beta}{\cos \beta-A}$
b $\frac{\sin \alpha \cos \alpha}{A \cos \beta-\sin ^{2} \alpha}$
c. $\frac{\sin \alpha \cos \alpha}{A \cos \beta+\sin ^{2} \alpha}$
d none of these | 1 |
71. The equation of the plane through the intersection of the planes $x+2 y+3 z-4=0$ and $4 x+3 y+2 z$ $+1=0$ and passing through the origin is
a. $17 x+14 y+11 z=0$
b. $7 x+4 y+z=0$
c. $x+14 y+11 z=0$
d. $17 x+y+z=0$ | 1 |
What is the best places to visit in amsterdam? | 0 |
How can I lose weight quickly? | 0 |
17. A wheel of radius $R$ and mass $M$ is placed at the bottom of a fixed step of height $R$ as shown in the figure. A constant force is continuously applied on the surface of the wheel so that it just climbs the step without slipping. Consider the torque tabout an
 the conditions of $\mathrm{pH}$ and potential under which a species is thermodynamically stable.
(b) the temperature dependence of the standard Gibbs energies of formation of some metal oxides.
(c) the pressure dependence of the standard electrode potentials ... | 1 |
How can I get a free makeover? | 0 |
42. When 20.0 g of $\mathrm{CaCO}_3$ in a $10 \cdot 0$-litre flask is heated to $800^{\circ} \mathrm{C}, 35 \%$ of it did not dissociate, calculate $K_p$ for the equilibrium
$$
\mathrm{CaCO}_3(\mathrm{~s}) \rightleftharpoons \mathrm{CaO}(\mathrm{~s})+\mathrm{CO}_2(\mathrm{~g})
$$ | 1 |
Which are best movie in history? | 0 |
What is result in IITJEE in 2016 of FIITJEE Thane,Vashi and Chembur in Mumbai ? | 0 |
Would you date a guy who is 5 inches shorter than you? | 0 |
What are some mind-blowing gadgets tools that most people don't know about? | 0 |
In addition to onomatopoeia and captions, what can be used to show the dialogue in comics? | 0 |
Who is most powerful in Mahabharata? | 0 |
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