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How does Pakistan view the claims of surgical strikes carried out by Indian army in Pakistan Administered Kashmir? | 0 |
What are some examples of the atrocities committed by SS in Nazi Germany? | 0 |
15. A particle of mass $m$ is projected from the ground with an initial speed $u_{0}$ at an angle $\alpha$ with the horizontal. At the highest point of its trajectory, it makes a completely inelastic collision with another identical particle, which was thrown vertically upward from the ground with the same initial spee... | 1 |
What is The Deccan Chronicle? | 0 |
1. Statement 1: The curve $y=\frac{-x^{2}}{2}+x+1$ is symmetric with respect to the line $x=1$.
Statement 2 : A parabola is symmetric about its axis.
a. Statement 2 is true, statement 2 is true; statement 2 is a correct explanation for statement 2
b. Statement 2 is true, statement 2 is true; statement 2 is NOT a cor... | 1 |
Example 9.2 Find the smaller area enclosed by the circle $x^{2}$ $+y^{2}=9$ and the line $x=1$. | 1 |
3. Find the equation of the chord of the hyperbola $25 x^{2}$ $-16 y^{2}=400$, which is bisected at the point $(5,3)$. | 1 |
What country did the Austronesian people arrived at first? | 0 |
Why does people here in Quora still ask some questions that has been already answered somewhere else, and can be found easily using Google search? | 0 |
33. The region between $x=0$ and $x=L$ is filled with uniform steady magnetic field $-B_{0} \hat{\mathbf{k}}$. A particle of mass $m$, positive charge $q$ and velocity $v_{0} \hat{\mathbf{i}}$ travels along $x$-axis and enters the region of the magnetic field.
Neglect the gravity throughout the question.
(a) Find t... | 1 |
5. Vector $\vec{y}$ is
a. $\frac{1}{2}[(\vec{a}+\vec{c}) \times \vec{b}-\vec{b}-\vec{a}]$
b. $\frac{1}{2}[(\vec{a}-\vec{c}) \times \vec{c}+\vec{b}+\vec{a}]$
c. $\frac{1}{2}[(\vec{a}+\vec{b}) \times \vec{c}+\vec{b}+\vec{a}]$
d. $\frac{1}{2}[(\vec{a}-\vec{c}) \times \vec{a}+\vec{b}-\vec{a}]$ | 1 |
What is the best treatment for hair loss? | 0 |
5.12 What is the difference between multimolecular and macromolecular colloids? Give one example of each. How are associated colloids different from these two types of colloids? | 1 |
What is tip? | 0 |
Is it wrong to consider mixed race people black? | 0 |
Example 1.90 If the roots of the equation $x^{2}-8 x+a^{2}$ $-6 a=0$ are real distinct, then find all possible values of $a$. | 1 |
When was Islamic architecture first seen? | 0 |
For what territory does New Delhi serve as the seat of Government? | 0 |
13. If $\vec{a}$ and $\vec{b}$ are two unit vectors and $\theta$ is the angle between them, then the unit vector along the angular bisector of $\vec{a}$ and $\vec{b}$ will be given by
a. $\frac{\vec{a}-\vec{b}}{2 \cos (\theta / 2)}$
b. $\frac{\vec{a}+\vec{b}}{2 \cos (\theta / 2)}$
c. $\frac{\vec{a}-\vec{b}}{\cos (\thet... | 1 |
37. Statement-1 : $\mathrm{F}$ atom has less electron affinity than $\mathrm{Cl}$ atom.
Statement-2 : Additional electrons are repelled more effectively by $3 p$ electrons in $\mathrm{Cl}$ atom than by $2 p$ electrons in $\mathrm{F}$ atom
(a) Statement-1 is True, Statement-2 isTrue; Statement-2 is a correct explana... | 1 |
17. Let $-\frac{\pi}{6}<\theta<-\frac{\pi}{12}$. Suppose $\alpha_{1}$ and $\beta_{1}$ are the roots of the equation $x^{2}-2 x \sec \theta+1=0$, and $\alpha_{2}$ and $\beta_{2}$ are the roots of the equation $x^{2}+2 x \tan \theta-1=0$. If $\alpha_{1}>\beta_{1}$ and $\alpha_{2}>\beta_{2}$, then $\alpha_{1}+\beta_{2}$ e... | 1 |
(d) goes down with acceleration $1.2 \mathrm{~m} / \mathrm{s}^2$, | 1 |
What do you need in life? | 0 |
Will China ever become a democracy? | 0 |
60. An old English cookbook carries this recipe for cream of nettle soup: "Boil stock of the following amount: 1 breakfastcup plus 1 teacup plus 6 tablespoons plus 1 dessertspoon. Using gloves, separate nettle tops until you have 0.5 quart; add the tops to the boiling stock. Add 1 tablespoon of cooked rice and 1 saltsp... | 1 |
1. The ammonia $\left(\mathrm{NH}_{3}\right)$ released on quantitative reaction of $0.6 \mathrm{~g}$ urea $\left(\mathrm{NH}_{2} \mathrm{CONH}_{2}\right)$ with sodium hydroxide $(\mathrm{NaOH})$ can be neutralized by:
(a) $200 \mathrm{~mL}$ of $0.4 \mathrm{~N} \mathrm{HCl}$
(b) $200 \mathrm{~mL}$ of $0.2 \mathrm{~N... | 1 |
33. If $A$ and $B$ are squares matrices such that $A^{20066}=O$ and $A B=A$ $+B$, then $\operatorname{det}(B)$ equals
a. 0
b. 1
c. -1
d. none of these | 1 |
What are faculty members' biggest complaints about administrators? | 0 |
74. For the given aqueous reactions, which of the statement (s) is (are) true?
excess $\mathrm{KI} \quad+\quad \mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right] \quad \xrightarrow{\text { dilute } \mathrm{H}_{2} \mathrm{SO}_{4}}$
brownishyellow solution
 of the solution respectively are :
(a) $0.2,22.20$
(b) $0.2,11.11$
(c) $0.167,11.11$
(d) $0.167,22.20$ | 1 |
7. If $x=4$ is the only point of maxima in its neighbourhood but $x=3$ is neither a point of maxima nor a point of minima, then which of the following can be true?
a. $a<0, b>0$
b. $a>0, b<0$
c. $a>0, b>0$
d. Not possible | 1 |
Why do researches in homosexual studies argued that it is a social and historical constuction? | 0 |
Which one would win a fight, a polar bear or a grizzly bear? | 0 |
How are Sanatana Dharma and science related? | 0 |
2. The equivalent weight of a metal is 12 . What is the equivalent weight of its oxide? | 1 |
How do I connect to the Tekken6 online game server? (I am using the PPSSPP emulator on Windows.) | 0 |
What is the ultimate living (experience) in life? | 0 |
1. Two particles projected from the same point with same speed $u$ at angles of projection $\alpha$ and $\beta$ strike the horizontal ground at the same point. If $h_{1}$ and $h_{2}$ are the maximum heights attained by the projectile, $R$ is the range for both and $t_{1}$ and $t_{2}$ are their times of flights, respect... | 1 |
35. From the following data for the reaction between $A$ and $B$.
| | $\|\mathrm{A}\|, \mathrm{mol} \mathrm{lit}^{-1}$ | $\|\mathrm{~B}\|, \mathrm{mol} \mathrm{lit}^{-1}$ | Initial rate mole $\mathrm{lit}^{-1} \mathrm{~s}^{-1} \mathrm{at}$ | |
| :---: | :---: | :---: | :---: | :---: |
| | | | $300 \mathrm{~K}$ | ... | 1 |
Why aren't tampons/pads free? | 0 |
1. A particle is executing simple harmonic motion with a time period $T$. At time $t=0$, it is at its position of equilibrium. The kinetic energy-time graph of the particle will look, like
(a)
 straight line
(b) circle
(c) parabola
(d) None of these | 1 |
66. Give balanced equations for extraction of silver from its sulphide ore | 1 |
What languages are you fluent in? | 0 |
What is Quora's users demographic? (who use Quora) | 0 |
When did Peter Lombard die? | 0 |
An edited text compiled through many sources is known as what? | 0 |
48. If $\left|z^{2}-1\right|=|z|^{2}+1$, then $z$ lies on
a. a circle b. a parabola c. an ellipse d. none of these | 1 |
16. Maximum kinetic energy of a photoelectron is $E$ when the wavelength of incident light is $\lambda$. If energy becomes four times when wavelength is reduced to one-third, then work-function of the metal is
(a) $\frac{3 h c}{\lambda}$
(b) $\frac{h c}{3 \lambda}$
(c) $\frac{h c}{\lambda}$
(d) $\frac{h c}{2 \lambda}$ | 1 |
3. A point object is placed at $O$ at a distance $R$ from a glass sphere of radius $R$ having refractive index $\mu$. The possible value of $\mu$ for which image is formed on the right of sphere at a distance $R$ from the sphere is:
$$
(a) 3
(b) 4
(c) 6
(d) 5 | 1 |
Is computer science a reliable major? | 0 |
5. The points $0, \frac{8}{3},(1,3)$ and $(82,30)$ are vertices of
(a) an obtuse angled triangle
(b) an acute angled triangle
(c) a right angled triangle
(d) None of the above | 1 |
What are the best bars in boston? | 0 |
What was one use of the uses for the newly developed land of Chanakypuri? | 0 |
59 (o) If the de Broglie wavelength of a proton is 100 fm , (a) what is the speed of the proton and (b) through what electric potential would the proton have to be accelerated to acquire this speed? | 1 |
16. A stream of electrons from a heated filaments was passed two charged plates kept at a potential difference $\mathrm{V}$ esu. If 'e' and $m$ are charge and mass of an electron, respectively, then the value of $h / \lambda$ (where $\lambda$ is wavelength associated with electron wave) is given by:
(a) $\sqrt{m e V... | 1 |
4. How would you convert the following compounds to aromatic compounds?
 | 1 |
Is there a paradoxical paradox? | 0 |
How can I lose or reduce thigh and hip fat fast? | 0 |
(v) Dehydration of propan-2-ol to propene. | 1 |
1. $\int \frac{x^{2}+\cos ^{2} x}{x^{2}+1} \operatorname{cosec}^{2} x d x$ is equal to
a. $\cot x-\cot ^{-1} x+c$
b. $c-\cot x+\cot ^{-1} x$
c. $-\tan ^{-1} x-\frac{\operatorname{cosec} x}{\sec x}+c$
d. $-e^{\log \tan ^{-1} x}-\cot x+c$ | 1 |
1. A capacitor of capacitance $C$ is charged to a potential $V$. The flux of the electric field through a closed surface enclosing the capacitor is
(a) $\frac{C V}{\varepsilon_{0}}$
(b) $\frac{2 C V}{\varepsilon_{0}}$
(c) $\frac{C V}{2 \varepsilon_{0}}$
(d) zero. | 1 |
What did all countries restore in the 1990's | 0 |
What classic work of war science originated during this period? | 0 |
37. The uranium (mass no. 238 and at. no. 92) emits an $\alpha$-particle, the product has the mass no. and at. no.:
(a) 236 and 92
(b) 234 and 90
(c) 238 and 90
(d) 236 and 90
[b] | 1 |
Ex. 70. Calculate the solubility of MnS in pure water, $K_{\mathrm{sp}}(\mathrm{MnS})=2.5 \times 10^{-10}$. Assume hydrolysis of $\mathrm{S}^{2-}$ ions. $K_{1}$ and $K_{2}$ for $\mathrm{H}_{2} \mathrm{~S}$ are $1 \times 10^{-7}$ and $1 \times 10^{-14}$ respectively. | 1 |
How many universities are in Hyderabad? | 0 |
22. Let $f(x)=\left(1+b^{2}\right) x^{2}+2 b x+1$ and let $m(b)$ be the minimum value of $f(x)$. As $b$ varies, the range of $m(b)$ is
a. $[0,1]$
b. $\left(0, \frac{1}{2}\right]$
c. $\left[\frac{1}{2}, 1\right]$
d. $(0,1]$
(IIT-JEE, 2001) | 1 |
20. A prism of refractive index $\sqrt{2}$ has refractive angle $60^{\circ}$. In order that a ray suffers minimum deviation it should be incident at an angle of
(a) $45^{\circ}$
(b) $90^{\circ}$
(c) $30^{\circ}$
(d) None | 1 |
The theory states that at the center of humans beings is what? | 0 |
20. In a right-angled triangle, the hypotenuse is $2 \sqrt{2}$ times the perpendicular drawn from the opposite vertex. Then the other acute angles of the triangle are
a. $\frac{\pi}{3}$
b $\frac{\pi}{8}$
c. $\frac{3 \pi}{8}$
d $\frac{\pi}{6}$ | 1 |
83 You must push a crate across a floor to a docking bay. The crate weighs 165 N . The coefficient of static friction between crate and floor is 0.510 , and the coefficient of kinetic friction is 0.32 . Your force on the crate is directed horizontally. (a) What magnitude of your push puts the crate on the verge of slid... | 1 |
What presidential candidate is most likely to cause World War III? | 0 |
48. The radius of a right circular cylinder increases at the rate of $0.1 \mathrm{~cm} / \mathrm{min}$, and the height decreases at the rate of $0.2 \mathrm{~cm} / \mathrm{min}$. The rate of change of the volume of the cylinder, in $\mathrm{cm}^{3} / \mathrm{min}$, when the radius is $2 \mathrm{~cm}$ and the height is ... | 1 |
What is the best Valentine's day gift for your girlfriend? | 0 |
3.240. A direct current $I=10 \mathrm{~A}$ flows in a long straight round conductor. Find the magnetic flux through a half of wire's crosssection per one metre of its length. | 1 |
- Example 14 A uniform thin rod of mass $m$ and length $l$ is standing on a smooth horizontal surface. A slight disturbance causes the lower end to slip on the smooth surface and the rod starts falling. Find the velocity of centre of mass of the rod at the instant when it makes an angle $\theta$ with horizontal. | 1 |
What is causal analysis? | 0 |
What is the difference between statute and law? | 0 |
81. If $2 x+y+\lambda=0$ is a normal to the parabola $y^{2}=-8 x$, then $\lambda$ is
a. 12
b. -12
c. 24
d. -24 | 1 |
What is the scope of animation in Tamilnadu? | 0 |
What did Central powers concede in exchange for peace? | 0 |
36. In the metallurgy of iron, when limestone is added to the blast furnace, the calcium ion ends up in
(a) slag
(b) gangue
(c) metallic calcium
(d) calcium carbonate | 1 |
When was Maggie first published? | 0 |
18. If the number of 6 digit natural numbers such that sum of their digits is 10 and digits $0,1,2$ and 3 occur at least once in them is $k$ then find $k / 100$ | 1 |
20. The number of ways of choosing $A$ and $B$ such that $B$ contains just one element more than $A$ is
a. $2^{n}$
b. ${ }^{2 n} C_{n-1}$
c. ${ }^{2 n} C$
d. $\left(3^{n}\right)^{2}$ | 1 |
14. 96500 coulombs deposit 107.9 g of Ag from its solution. If $e=1.6 \times 10^{-19}$ coulomb, calculate the number of electrons per mole of electrons
(a) 96500
(b) $1.6 \times 10^{-19}$
(c) $6.02 \times 10^{23}$
(d) $6.02 \times 10^{-23}$ | 1 |
Can I get a drivers license on B2 visa? | 0 |
New Delhi is the capital of what National Capital Territory? | 0 |
13. A train moves towards a stationary observer with speed $34 \mathrm{~m} / \mathrm{s}$. The train sounds a whistle and its frequency registered by the observer is $f_{1}$. If the train's speed is reduced to $17 \mathrm{~m} / \mathrm{s}$, the frequency registered is $f_{2}$. If the speed of sound is $340 \mathrm{~m} /... | 1 |
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