Question stringlengths 2 3k | label int64 0 1 |
|---|---|
Has anybody ever cured their anxiety disorder? | 0 |
1. $\alpha$-Aminoacids have greater dipole moments that expected. Explain. | 1 |
What prompted the allegation of Greece's covering up its budget deficit? | 0 |
41. The outer electronic configuration of the ground state chromium atom is $3 d^{4} 4 s^{2}$ | 1 |
10. A short-circuited coil is placed in a time varying magnetic field. Electrical power is dissipated due to the current induced in the coil. If the number of turns were to be quadrupled (four times) and the wire radius halved, the electrical power dissipated would be
(a) halved
(b) the same
(c) doubled
(d) quadruple... | 1 |
Is Amway a scam? | 0 |
How can I get a job in Microsoft? | 0 |
How do I build a software company? | 0 |
I am a 17 year old female and I have very hard growth of facial hair in my face. Can I get laser hair removal done for my face? | 0 |
During what time were the first Upanishads written? | 0 |
7. A particle of mass $m$ moves on positive $x$-axis under the influence of force acting towards the origin given by $-k x^{2} \hat{\mathbf{i}}$. If the particle starts from rest at $x=a$, the speed it will attain when it crosses the origin is
(a) $\sqrt{\frac{k}{m a}}$
(b) $\sqrt{\frac{2 k}{m a}}$
(c) $\sqrt{\frac{m a... | 1 |
13. The appearance of colour in solid alkali meta halides is generally due
[Main Online April 11, 2014]
(a) Schottky defect
(b) Frenkel defect
(c) Interstitial position
(d) F-centres | 1 |
Why isn't Darth Vader's mask seated properly on his neck in the Star Wars Rogue One trailers? | 0 |
6. A current carrying rod $A B$ is placed perpendicular to an infinitely long current carrying wire as shown in figure. The point at which the conductor should be hinged so that it will not rotate $(A C=C B)$
\left(1-a_{2}\right)\left(1-a_{3}\right) \ldots\left(1-a_{n-1}\right)=n
$$
(1984, 2M) | 1 |
Ex. 54. What weight of ${ }^{14} \mathrm{C}\left(t_{\frac{1}{2}}=5760\right.$ years $)$ will make one curie of it? [one curie gives $3.7 \times 10^{10}$ disintegrations/second $\left.(\mathrm{dps})\right]$. | 1 |
What/who were the Nephilim? | 0 |
50. At $973 \mathrm{~K}, K_p$ is 1.50 for the reaction
$$
\mathrm{C}(\mathrm{~s})+\mathrm{CO}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{CO}(\mathrm{~g})
$$
Suppose the total gas pressure at equilibrium is 1.0 atm . What are the partial pressures of CO and $\mathrm{CO}_2$ ?
$$
\left(\mathrm{CO}-0.686 \mathrm{~atm}... | 1 |
What is the best idea to start a business with capital of 50000? | 0 |
3. Let $z_{0}$ be a root of the quadratic equation, $x^{2}+x+1=0$, If $z=3+6 i z_{0}^{81}-3 i z_{0}^{93}$, then $\arg z$ is equal to
(a) $\frac{\pi}{4}$
(b) $\frac{\pi}{6}$
(c) 0
(d) $\frac{\pi}{3}$
(2019 Main, 9 Jan II) | 1 |
7. 10 balls are thrown into three boxes namely Box 1 , Box 2 , and Box 3 with respective probabilities $1 / 4$, $1 / 4$ and $1 / 2$. What is the probability that out of 10 balls, $1^{\text {st }}$ box will get $2,2^{\text {nd }}$ will get 3 and $3^{\text {rd }}$ box will get 5 balls?
(a) $\frac{10!}{(2!)(3!)(5!)\left(2... | 1 |
How can I find suggestions for planning a trip to Goa for 3 days? | 0 |
I am an Indian and want to marry a Pakistani girl. What should I do? | 0 |
6. A small mass $m$ is attached to a massless string whose other end is fixed at $P$ as shown in the figure. The mass is undergoing circular motion in the $x-y$ plane with centre at $O$ and constant angular speed $\omega$. If the angular momentum of the system, calculated about $O$ and $P$ are denoted by $\mathbf{L}_{O... | 1 |
48. Concentrated HCl solution is $37.0 \% \mathrm{HCl}$ and has a density of $1.19 \mathrm{~g} / \mathrm{mL}$. A dilute solution of HCl is prepared by diluting 4.50 mL of this concentrated HCl solution to 100 mL with water. Then 10 mL of this dilute HCl solution reacts with an $\mathrm{AgNO}_{3}$ solution. Calculate th... | 1 |
Which is the best job in SSC CGL? | 0 |
12. Car A and car B move on a straight road and their velocity versus time graphs are as shown in figure. Comparing the motion of car A in between $t=0$ to $t=8 \mathrm{~s}$ and motion of car B in between $t=0$ to $t=7 s$, pick the correct statement.
 $\frac{d \mathbf{L}}{d t}$ is perpendicular to $\mathbf{L}$ at all i... | 1 |
Example 3.24
Find the value of $\lambda$ if the equation $(x-1)^{2}$ $+(y-2)^{2}=\lambda(x+y+3)^{2}$ represents a parabola. Also, find its focus, the equation of its directrix, the equation of its axis, the coordinates of its vertex, the equation of its latus rectum, length of the latus rectum and the extremities of th... | 1 |
What is infinity divided by zero? | 0 |
What sort of therapy might examine emotions based on components of facial expressions? | 0 |
4. A concave mirror cannot form
(a) virtual image of virtual object
(b) virtual image of real object
(c) real image of real object
(d) real image of virtual object | 1 |
I don't want anything from Quora. How do I get rid of it? | 0 |
17. If $y$ is a function of $x$ and $\log (x+y)=2 x y$, then the value of $y^{\prime}(0)$ is
(2004, 1M)
(a) 1
(b) -1
(c) 2
(d) 0 | 1 |
What is the best way to obtain cheap flight fares? | 0 |
What are mountains? | 0 |
How do I stop lying to myself? | 0 |
Which act created the Upper Canada provinces? | 0 |
31. Two point charges $q_{1}$ and $q_{2}$ are placed at a distance of $50 \mathrm{~m}$ from each other in air, and interact with a certain force. The same charges are now put in oil whose relative permittivity is 5 . If the interacting force between them is still the same, their separation now is
(a) $16.6 \mathrm{~m}$... | 1 |
Example 3.22 In an A.P. if $S_{1}=T_{1}+T_{2}+T_{3}+\cdots+T_{1}$ ( $n$ odd), $S_{2}=T_{2}+T_{4}+T_{6}+\cdots+T_{n-1}$, then find the value of $S_{1} / S_{2}$ in terms of $n$. | 1 |
What is the best way to unlock all of the arenas in WWE 12? | 0 |
10. Variation of radiant energy emitted by sun, filament of tungsten lamp and welding arc as a function of its wavelength is shown in figure. Which of the following option is the correct match?
 and a concave mirror, having their principal axes along the same lines, are kept 80 $\mathrm{cm}$ apart from each other. The concave mirror is to the right of the convex lens. When an object is kept at a distance of $30 \mathrm{~cm}$ to the left of the convex lens, ... | 1 |
40. The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nitrosoamine is
(a) methylamine
(b) ethylamine
(c) diethylamine
(d) triethylamine | 1 |
3. A body $A$ is placed on a railway platform and an identical body $B$ in a moving train. Which of the following energies of $B$ are greater than those of $A$ as seen from the ground?
(a) Kinetic
(b) Total
(c) Mechanical
(d) Internal | 1 |
12. The quantity $\frac{p V}{k T}$ represents
(a) mass of the gas
(b) kinetic energy of the gas
(c) number of moles of the gas
(d) number of molecules in the gas. | 1 |
How accurate is the Forbes wealth list? | 0 |
Did Chanakya get married? | 0 |
8. A photoelectric material having work-function $\varphi_{0}$ is illuminated with light of wavelength $\lambda \quad [\lambda<\frac{h c}{\phi_{0}}]$. The fastest photoelectron has a de-Broglie wavelength $\lambda_{d}$. A change in wavelength of the incident light by $\Delta \lambda$ results in a change $\Delta \lambda... | 1 |
18. Water enters through end $A$ with a speed $v_{1}$ and leaves through end $B$ with a speed $v_{2}$ of a cylindrical tube $A B$. The tube is always completely filled with water. In case $I$ the tube is horizontal, in case $I I$ it is vertical with the end $A$ upward and in case $I I I$ it is vertical with the end $B$... | 1 |
63. A drowsy cat spots a flowerpot that sails first up and then down past an open window. The pot is in view for a total of 0.50 s , and the top-to-bottom height of the window is 2.00 m . How high above the window top does the flowerpot go? | 1 |
What are the strengths and weaknesses of the advising system at Eastern Illinois University? | 0 |
How would you describe a good leader? | 0 |
What are blue road reflectors? | 0 |
What's a healthy sauce to put on a salad? | 0 |
Which is a suitable inpatient drug and alcohol rehab center near Johnson County IN? | 0 |
44. Consider the chemical reaction
$$
\mathrm{N}_{2}(\mathrm{~g})+3 \mathrm{H}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_{3}(\mathrm{~g})
$$
The rate of this reaction can be expressed in terms of time derivative of concentration of $\mathrm{N}_{2}(\mathrm{~g}), \mathrm{H}_{2}(\mathrm{~g})$ or $\mathrm{NH}_{3}(\mathr... | 1 |
7.37 What will be the conjugate bases for the Brönsted acids: $\mathrm{HF}, \mathrm{H}_{2} \mathrm{SO}_{4}$ and $\mathrm{HCO}_{3}^{-}$? | 1 |
What Eastern Roman Emperor reconquered Italy? | 0 |
41. The decomposition reaction $2 \mathrm{~N}_{2} \mathrm{O}_{5}(\mathrm{~g}) \xrightarrow{\Delta} 2 \mathrm{~N}_{2} \mathrm{O}_{4}(\mathrm{~g})+\mathrm{O}_{2}(\mathrm{~g})$ is started in a closed cylinder under isothermal isochoric condition at an initial pressure of $1 \mathrm{~atm}$. After $Y \times 10^{3} \mathrm{~... | 1 |
11. The reaction of toluene with chlorine in presence of ferric chloride gives predominantly :
(a) benzoyl chloride
(b) $m$-chlorotoluene
(c) benzyl chloride
(d) $o$ - and $p$-chlorotoluene | 1 |
Along with crossbows, what was plate armor designed to defend against? | 0 |
4. A person in a lift is holding a water jar, which has a small hole at the lower end of its side. When the lift is at rest, the water jet coming out of the hole hits the floor of the lift at a distance $d$ of $1.2 \mathrm{~m}$ from the person. In the following, state of the lift's motion is given in List I and the dis... | 1 |
Can someone tell how many seat in total for general category after NEET? | 0 |
How do people stay continuously energized and focused on less than 8 hours of sleep every day? | 0 |
What happens if a hydrogen atom loses an electron? Or if all of them did? | 0 |
12. If for a real number $y,[y]$ is the greatest integral function less than or equal to $y$, then the value of the integral
$\int_{\pi / 2}^{3 \pi / 2}[2 \sin x] d x$ is
a. $-\pi$
b. 0
c. $-\pi / 2$
d. $\pi / 2$ | 1 |
9.18 Answer the following questions:
(a) You have learnt that plane and convex mirrors produce virtual images of objects. Can they produce real images under some circumstances? Explain.
(b) A virtual image, we always say, cannot be caught on a screen. Yet when we 'see' a virtual image, we are obviously bringing it on t... | 1 |
Is honors chemistry hard? | 0 |
5. A closed organ pipe is excited to vibrate in the third overtone. It is observed that there are
(a) three nodes and three antinodes
(b) three nodes and four antinodes
(c) four nodes and three antinodes
(d) four nodes and four antinodes | 1 |
63. A wave has a speed of $240 \mathrm{~m} / \mathrm{s}$ and a wavelength of 3.2 m . What are the (a) frequency and (b) period of the wave? | 1 |
12. When $\mathrm{XO}_{2}$ is fused with an alkali metal hydroxide in presence of an oxidizing agent such as $\mathrm{KNO}_{3}$, a dark green product is formed which
disproportionates in acidic solution to afford a dark purple solution. $\mathrm{X}$ is:
(a) $\mathrm{Mn}$
(b) $\mathrm{Cr}$
(c) $\mathrm{V}$
(d) $\mat... | 1 |
82 In Fig. 33-70, unpolarized light is sent into the system of three polarizing sheets, where the polarizing directions of the first and third sheets are at angles $\theta_{1}=30^{\circ}$ (counterclockwise) and $\theta_{3}=30^{\circ}$ (clockwise). What fraction of the initial light intensity emerges from the system? | 1 |
Who was the dominate political party for the first half of the 18th century? | 0 |
24. A proton moving with a constant velocity passes through a region of space without any change in its velocity. If $E$ and $B$ represent the electric and magnetic fields respectively. Then, this region of space may have
(a) $E=0, B=0$
(b) $E=0, B \neq 0$
(c) $E \neq 0, B=0$
(d) $E \neq 0, B \neq 0$ | 1 |
Example 1.114 Determine the values of $m$ for which the equations $3 x^{2}+4 m x+2=0$ and $2 x^{2}+3 x-2=0$ may have a common root. | 1 |
5. A wheel of mass $10 \mathrm{~kg}$ and radius $0.2 \mathrm{~m}$ is rotating at an angular speed of $100 \mathrm{rpm}$, when the motion is turned off. Neglecting the friction at the axis, calculate the force that must be applied tangentially to the wheel to bring it to rest in 10 rev. Assume wheel to be a disc. | 1 |
83 "Relative" is an important word. In Fig. 9-72, block $L$ of mass $m_{L}=1.00 \mathrm{~kg}$ and block $R$ of mass $m_{R}=0.500 \mathrm{~kg}$ are held in place with
Figure 9-72 Problem ... | 1 |
What invention led to an increase in efficiency in the farming of heavy soils? | 0 |
What was the death rate during the Middle Passage? | 0 |
Ex. 31. For the reaction $\mathrm{CO}(\mathrm{g})+2 \mathrm{H}_{2}(\mathrm{~g}) \rightleftharpoons \mathrm{CH}_{3} \mathrm{OH}(\mathrm{g})$, hydrogen gas is introduced into a five-litre flask at $327^{\circ} \mathrm{C}$, containing 0.2 mole of $\mathrm{CO}(\mathrm{g})$ and a catalyst, until the pressure is 4.92 atm . A... | 1 |
What are some good inspirational movies? | 0 |
Will Negan be killed in the walking dead? | 0 |
3.286. In the arrangement shown in Fig. 3.77 it is possible to measure (by means of a balance) the force with which a paramagnetic ball of volume $V=41 \mathrm{~mm}^{3}$ is attrabted to a pole of the electromagnet $M$. The magnetic induction at the axis of the poleshoe depends on the height $x$ as $B=B_{0} \exp \left(-... | 1 |
31.  | 1 |
Encyclopedia Britannica defined literature in its 1911 editions how? | 0 |
(3) What is "DIRECT admission" offers at IIT. (4) What is "DIRECT admission" offer at VJTI? | 0 |
7. Assertion: Good conductors of electricity are also good conductors of heat due to large number of free electrons.
Reason : It is easy to conduct heat from free electrons. | 1 |
5.13 What are enzymes ? Write in brief the mechanism of enzyme catalysis. | 1 |
8. The IUPAC name of the following compound is :
(a) 3-ethyl-4-methylhex-4-ene
(b) 4, 4-diethyl-3-methylbut-2-ene
(c) 4-methyl-3-ethylhex-4-ene
(d) 4-ethyl-3-methylhex-2-ene | 1 |
Why is the Universe the size of what it is? | 0 |
Is nuclear energy considered a renewable or nonrenewable resource? What are the reasons behind this classification? | 0 |
What is the minimum CAT percentile to get admission into IIM C & L? | 0 |
(b) If she reads Hindi newspaper, find the probability that she reads English newspaper. | 1 |
In what year was the book humanism published? | 0 |
Ex. 6. Calculate the velocity of an electron revolving in the second orbit of a hydrogen atom from the given data in Ex. 5. | 1 |
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