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14. The theory that can completely/properly explain the nature of bonding in $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$ is:
[Main Jan. 07, $2020(\mathrm{I})]$
(a) Werner's theory
(b) Molecular orbital theory
(c) Crystal field theory
(d) Valence bond theory | 1 |
11. If $m$ is the $\mathrm{AM}$ of two distinct real numbers $l$ and $n(l, n>1)$ and $G_{1}, G_{2}$ and $G_{3}$ are three geometric means between $l$ and $n$, then $G_{1}^{4}+2 G_{2}^{4}+G_{3}^{4}$ equals
(2015)
(a) $4 l^{2} m n$
(b) $4 l m^{2} n$
(c) $l m n^{2}$
(d) $l^{2} m^{2} n^{2}$ | 1 |
Which promenade was formerly known as the Queen's Way? | 0 |
1. In a radioactive decay chain, the initial nucleus is ${ }_{90}^{232} \mathrm{Th}$. At the end, there are $6 \alpha$-particles and $4 \beta$-particles which are emitted. If the end nucleus is ${ }_{Z}^{A} X, A$ and $Z$ are given by
(a) $A=202 ; Z=80$
(b) $A=208 ; Z=82$
(c) $A=200 ; Z=81$
(d) $A=208 ; Z=80$ | 1 |
29. The value of ' $a$ ', for which $a x^{2}+\sin ^{-1}\left(x^{2}-2 x+2\right)+\cos ^{-1}\left(x^{2}-2 x+2\right)=0$ has a real solution is
a. $\frac{\pi}{2}$
b. $-\frac{\pi}{2}$
c. $\frac{2}{\pi}$
d $-\frac{2}{\pi}$ | 1 |
17. For a dilute solution, Raoult's law states that :
(a) the lowering of vapour pressure is equal to the mole fraction of solute.
(b) the relative lowering of vapour pressure is equal to the mole fraction of solute.
(c) the relative lowering of vapour pressure is proportional to the amount of solute in solution.
... | 1 |
26. IUPAC name of T. N. T. is :
(A) Trinitrotoluene
(B) 1,2,3-Trinitrotoluene
(C) 2,4,6-Trinitrotoluene
(D) 2-methyl-1,3,5-Trinitrotoluene | 1 |
Ex. 13. How many millilitres of a $0.05 \mathrm{M} \mathrm{KMnO}_{4}$ solution are required to oxidise $2 \cdot 0 \mathrm{~g}$ of $\mathrm{FeSO}_{4}$ in a dilute acid solution?
$$
(\mathrm{Fe}=56, \mathrm{~S}=32, \mathrm{O}=16)
$$ | 1 |
52. The circles which can be drawn, to pass through $(1,0)$ and $(3,0)$ and to touch the $y$-axis, intersect at an angle $\theta$, then $\cos \theta$ is equal to
a. $\frac{1}{2}$
b. $-\frac{1}{2}$
c. $\frac{1}{4}$
d. $-\frac{1}{4}$ | 1 |
What is the clearest and most concise way to define the word "adjective"? | 0 |
35. The rate of reaction doubles when the concentration of the reactant is increased four times. The order is
(a) $1 / 2$
(b) 2
(c) 1
(d) 4 | 1 |
What thinker believed that emotions were necessary for virtue? | 0 |
23. Under the influence of the coulomb field of charge $+Q$, a charge $-q$ is moving around it in an elliptical orbit. Find out the correct statement(s).
(a) The angular momentum of the charge $-q$ is constant
(b) The linear momentum of the charge $-q$ is constant
(c) The angular velocity of the charge $-q$ is con... | 1 |
How aeroplanes fly? | 0 |
2. Assertion : Surface waves are neither transverse nor longitudinal.
Reason : In surface wave particles undergo circular motion. | 1 |
According to the UN report, what was the count of people who perished due to famine? | 0 |
2. The variation of equilibrium constant with temperature is given below:
Temperature
$\mathrm{T}_{1}=25^{\circ} \mathrm{C}$
Equilibrium Constant
$\mathrm{T}_{2}=100^{\circ} \mathrm{C}$
$\mathrm{K}_{1}=10$
$\mathrm{K}_{2}=100$
The values of $\Delta \mathrm{H}^{\circ}, \Delta \mathrm{G}^{\mathrm{o}}$ at $\mathr... | 1 |
Cognitive science seeks to join what two branches of science with other fields? | 0 |
Isn’t so-called white privilege actually hard work and education? | 0 |
What do we do to be loved by someone? | 0 |
What are the terms androphilia and gynephial use for? | 0 |
6. Which of the following are Lewis acids?
(a) $\mathrm{PH}_{3}$ and $\mathrm{BCl}_{3}$
(b) $\mathrm{AlCl}_{3}$ and $\mathrm{SiCl}_{4}$
(c) $\mathrm{PH}_{3}$ and $\mathrm{SiCl}_{4}$
(d) $\mathrm{BCl}_{3}$ and $\mathrm{AlCl}_{3}$ | 1 |
15. Function $x=A \sin ^{2} \omega t+B \cos ^{2} \omega t+C \sin \omega t \cos \omega t$ represents SHM
(a) For any value of $A, B$ and $C$ (except $C=0$ )
(b) If $A=B ; C=2 B$, amplitude $=|B \sqrt{2}|$
(c) If $A=B ; C=2 B$
(d) If $A=B ; C=0$ | 1 |
Who referred to culture as a cultivation of individuals? | 0 |
4. Three positive numbers form an increasing GP. If the middle term in this GP is doubled, then new numbers are in AP. Then, the common ratio of the GP is
(a) $\sqrt{2}+\sqrt{3}$
(b) $3+\sqrt{2}$
(c) $2-\sqrt{3}$
(d) $2+\sqrt{3}$
(2014 Main) | 1 |
Besides English, what other language is spoken in Malta? | 0 |
What was the currency of Greece until 2002? | 0 |
Is time travel possible through cosmic strings? | 0 |
When did Louis the Child die? | 0 |
5. A circular loop of radius $0.3 \mathrm{~cm}$ lies parallel to a much bigger circular loop of radius $20 \mathrm{~cm}$. The centre of the smaller loop is on the axis of the bigger loop. The distance between their centres is $15 \mathrm{~cm}$. If a current of $2.0 \mathrm{~A}$ flows through the bigger loop, then the f... | 1 |
3. Given that the standard potentials $\left(\mathrm{E}^{0}\right)$ of $\mathrm{Cu}^{2+} / \mathrm{Cu}$ and $\mathrm{Cu}^{+} / \mathrm{Cu}$ are 0.34 $\mathrm{V}$ and $0.522 \mathrm{~V}$ respectively, the $\mathrm{E}^{0}$ of $\mathrm{Cu}^{2+} / \mathrm{Cu}^{+}$is:
[Main Jan. 07, $2020(\mathbf{I})]$
(a) $+0.182 \mathrm{... | 1 |
29. A prism has refractive index $\sqrt{\frac{3}{2}}$ and refractive angle $90^{\circ}$. Find the minimum deviation produced by prism
(a) $60^{\circ}$
(b) $45^{\circ}$
(c) $30^{\circ}$
(d) $15^{\circ}$ | 1 |
What is a good way to compose music? | 0 |
What were the remaining British territories called in 1981? | 0 |
Is it bad to use portable power bank to charge cell phone? What can be problems? | 0 |
Which is the best website design and development company in Delhi NCR? | 0 |
How can I add more than one topic to a question on Quora? | 0 |
31. What will Rs 500 amounts to in 10 years after its deposit in a bank which pays annual interest rate of $10 \%$ compounded annually? | 1 |
How can I become a cold hearted person? | 0 |
4. Two sources of sound are moving in opposite directions with velocities $v_{1}$ and $v_{2}\left(v_{1}>v_{2}\right)$. Both are moving away from a stationary observer. The frequency of both the sources is $1700 \mathrm{~Hz}$. What is the value of $\left(v_{1}-v_{2}\right)$ so that the beat frequency observed by the obs... | 1 |
Why is Salman Khan so overrated? | 0 |
Why can't the legitimate media stop covering Donald Trump by name? US president is a dignified position. Could he not be just president elect period? | 0 |
Should I watch Star Wars: The Force Awakens in IMAX 3D, Real 3D or 2D? | 0 |
26. A variable chord of circle $x^{2}+y^{2}=4$ is drawn from the point $P(3,5)$ meeting the circle at the points $A$ and $B$. $A$ point $Q$ is taken on this chord such that $2 P Q=P A+P B$. Locus of ' $Q$ ' is
a. $x^{2}+y^{2}+3 x+4 y=0$
b. $x^{2}+y^{2}=36$
c. $x^{2}+y^{2}=16$
d. $x^{2}+y^{2}-3 x-5 y=0$ | 1 |
Why are you voting for Hillary Clinton? | 0 |
Is Powerpoint necessary in class? | 0 |
What's the difference between a fine fragrance mist and a perfume/eu de toilette? | 0 |
According to the Southeast Asian people, the life of the Gods were comparable to what? | 0 |
6. In coolidge tube, if $f$ and $\lambda$ represent the frequency and wavelength of $K_{\alpha}$-line for a metal of atomic number $Z$, then identify the statement which represents a straight line
(a) $\sqrt{f}$ versus $Z$
(b) $\frac{1}{\sqrt{\lambda}}$ versus $Z$
(c) $f$ versus $Z$
(d) $\lambda$ versus $Z$ | 1 |
19. Given, $2 x-y+2 z=2, x-2 y+z=-4, \quad x+y+\lambda z=4$, then the value of $\lambda$ such that the given system of equations has no solution, is
(2004, 1M)
(a) 3
(b) 1
(c) 0
(d) -3 | 1 |
What is the difference between Lung Abscess and liver Abscess? | 0 |
When did Burma get its independence? | 0 |
17. Consider two satellites $A$ and $B$ of equal mass, moving in the same circular orbit of radius $r$ around the earth but in the opposite sense and therefore a collision occurs.
(a) Find the total mechanical energy $E_{A}+E_{B}$ of the two satellite-plus-earth system before collision.
(b) If the collision is comple... | 1 |
What happens if I accidentally follow someone I've blocked? | 0 |
What are some tips for dealing with bullies? | 0 |
Example 6.12 If fogoh $(x)$ is an increasing function, then which of the following is not possible?
(i) $f(x), g(x)$ and $h(x)$ are increasing
(ii) $f(x)$ and $g(x)$ are decreasing and $h(x)$ is increasing
(iii) $f(x), g(x)$ and $h(x)$ are decreasing | 1 |
17. If A and B are events such that $\mathrm{P}(\mathrm{A} \mid \mathrm{B})=\mathrm{P}(\mathrm{B} \mid \mathrm{A})$, then
(A) $\mathrm{A} \subset \mathrm{B}$ but $\mathrm{A} \neq \mathrm{B}$
(B) $\mathrm{A}=\mathrm{B}$
(C) $\mathrm{A} \cap \mathrm{B}=\phi$
(D) $\mathrm{P}(\mathrm{A})=\mathrm{P}(\mathrm{B})$ | 1 |
What is the most badass thing about avant-garde art? | 0 |
What are the most interesting questions asked in any interview? | 0 |
19. The correct option with respect to the Pauling electronegativity values of the elements is:
(a) $\mathrm{Te}>\mathrm{Se}$
(b) $\mathrm{Ga}<\mathrm{Ge}$
(c) $\mathrm{Si}<\mathrm{Al}$
(d) $\mathrm{P}>\mathrm{S}$ | 1 |
What universities does Ormat Technologies recruit new grads from? What majors are they looking for? | 0 |
How do I deal with possessive parents? | 0 |
2. What are the functional groups present in the structure of maltose?
[Main Sep. 04, $2020(I)]$
(a) One ketal and hemiketal
(b) Two acetals
(c) One acetal and one hemiacetal
(d) One acetal and one ketal | 1 |
What are some good ways for a new P&C / Life captive agent to find customers? | 0 |
Which religious group holds the Eid ul-Fitr festival in Hyderabad? | 0 |
75. An $L R$ circuit has $L=1 \cdot 0 \mathrm{H}$ and $R=20 \Omega$. It is connected across an emf of $2.0 \mathrm{~V}$ at $t=0$. Find $d i / d t$ at (a) $t=100$ $\mathrm{ms}$, (b) $t=200 \mathrm{~ms}$ and (c) $t=1.0 \mathrm{~s}$. | 1 |
What event split the United Kingdom into two groups? | 0 |
13. A sample of $0 \cdot 177 \mathrm{~g}$ of an ideal gas occupies $1000 \mathrm{~cm}^{3}$ at STP. Calculate the rms speed of the gas molecules. | 1 |
5. The area of the quadrilateral formed by the tangents at the end points of latusrectum to the ellipse $\frac{x^{2}}{9}+\frac{y^{2}}{5}=1$, is
(a) $27 / 4$ sq units
(b) 9 sq units
(c) $27 / 2$ sq units
(d) 27 sq units | 1 |
I'm emotionally very weak, get upset on small little things and end up crying alone. How can I make myself strong? | 0 |
Is it possible for a woman to rape a man? | 0 |
5.  | 1 |
What will be my approximate salary per month with this salary structure? | 0 |
The growth of trade between the US and Britain after 1783 seemed to confirm whose views? | 0 |
What do black Americans think of Django Unchained? | 0 |
What are Japanese comics called? | 0 |
Though the US and the Soviet Union were both against colonialism, what was the US more afraid of? | 0 |
14. Which of the following pair(s)of curves is/are orthogonal?
a. $y^{2}=4 a x ; y=e^{-x / 2 a}$.
b. $y^{2}=4 a x ; x^{2}=4 a y$ at $(0,0)$
c. $x y=a^{2} ; x^{2}-y^{2}=b^{2}$
d $y=a x ; x^{2}+y^{2}=c^{2}$ | 1 |
Where do you put your penis in a vagina? | 0 |
In what century was Romanesque architecture first used? | 0 |
19. One mole of $\mathrm{N}_{2} \mathrm{H}_{4}$ loses ten moles of electrons to form a new compound $Y$. Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in $Y$ ? (There is no change in the oxidation state of hydrogen).
(a) -1
(b) -3
(c) +3
(d) +5 | 1 |
30. For the electrochemical cell,
[Adv. 2018]
$\mathrm{Mg}(\mathrm{s})\left|\mathrm{Mg}^{2+}(\mathrm{aq}, 1 \mathrm{M}) \| \mathrm{Cu}^{2+}(\mathrm{aq}, 1 \mathrm{M})\right| \mathrm{Cu}(\mathrm{s})$
the standard emf of the cell is $2.70 \mathrm{~V}$ at $300 \mathrm{~K}$. When the concentration of $\mathrm{Mg}^{2+}$ ... | 1 |
What is the percentage of Tamilians, kannadigas and the Andhra population in Bangalore ? | 0 |
What does the insanity workout do? | 0 |
Interest in an analysis of what text has arose in the early 1970's? | 0 |
Example 22 Find the number of all one-one functions from set $\mathrm{A}=\{1,2,3\}$ to itself. | 1 |
How early did the small republic states exist in India? | 0 |
16. A sound wave of frequency $f$ travels horizontally to the right. It is reflected from a large vertical plane surface moving to left with a speed $v$. The speed of sound in medium is $c$
(a) The number of waves striking the surface per second is $f \frac{(c+v)}{c}$
(b) The wavelength of reflected wave is $\frac{... | 1 |
8. The order of the oxidation state of the phosphorus atom in $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{3} \mathrm{PO}_{4}$, $\mathrm{H}_{3} \mathrm{PO}_{3}$ and $\mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{6}$ is
(a) $\mathrm{H}_{3} \mathrm{PO}_{4}>\mathrm{H}_{3} \mathrm{PO}_{2}>\mathrm{H}_{3} \mathrm{PO}_{3}>\mathrm... | 1 |
Are F1 visa holders eligible for entering the green card lottery? | 0 |
I'm feeling exhausted after marriage, and also feeling an insecurity of my life. How can I overcome it? | 0 |
4. If $A=\left[\begin{array}{cc}\cos \alpha & -\sin \alpha \\ \sin \alpha & \cos \alpha\end{array}\right], B=\left[\begin{array}{cc}\cos 2 \beta & \sin 2 \beta \\ \sin 2 \beta & -\cos 2 \beta\end{array}\right]$ where $0<\beta$ $<\pi / 2$, then prove that $B A B=A^{-1}$. Also find the least positive value of $\alpha$ fo... | 1 |
Cheapest daily parking NYC High Line? | 0 |
8. Which of the following pair(s) of function have samo graphs?
(a) $f(x)=\frac{\sec x}{\cos x}-\frac{\tan x}{\cot x}, g(x)=\frac{\cos x}{\sec x}+\frac{\sin x}{\operatorname{cosec} x}$
(b) $f(x)=\operatorname{sgn}\left(x^{2}-6 x+10\right)$, $g(x)=\operatorname{sgn}\left(\cos ^{2} x+\sin ^{2}\left(x+\frac{\pi}{3}\righ... | 1 |
What is your favourite book and why? | 0 |
12. A water jet from a fountain reaches its maximum height of $4 \mathrm{~m}$ at a distance $0.5 \mathrm{~m}$ from the vertical passing through the point $O$ of water outlet. The height of the jet above the horizontal $O X$ at a distance of $0.75 \mathrm{~m}$ from the point $O$ is
a. $5 \mathrm{~m}$
b. $6 \mathrm{~m}$
... | 1 |
Why are red small ants more disciplined than the black small ones are? Why do they travel more slowly than the black ones do? | 0 |
What is it like to live and work in London 20s? | 0 |
106. The value of $\int_{a}^{b}(x-a)^{3}(b-x)^{4} d x$ is
a. $\frac{(b-a)^{4}}{6^{4}}$
b. $\frac{(\dot{b}-a)^{8}}{280}$
c. $\frac{(b-a)^{7}}{7^{3}}$
d. None of these | 1 |
Where's the best website for computer-related/tech questions, and can such Q's be asked on Quora? Where? | 0 |
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