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13. The process on an ideal gas, shown in figure $(24-\mathrm{Q} 2)$, is (a) isothermal (b) isobaric (c) isochoric (d) none of these.
Figure $24-\mathrm{Q} 2$ | 1 |
4. Minimise $Z=3 x+5 y$
such that $x+3 y \geq 3, x+y \geq 2, x, y \geq 0$. | 1 |
12. Which of the following best explains the relative stabilities of the eclipsed and staggered forms of ethane? The $\qquad$ form has the most $\qquad$ strain.
(A) eclipsed; steric
(B) eclipsed; torsional
(C) staggered; steric
(D) staggered; torsional | 1 |
40. If $y=\tan ^{-1} \sqrt{\frac{x+1}{x-1}}$, then $\frac{d y}{d x}$ is
a. $\frac{-1}{2|x| \sqrt{x^{2}-1}}$
b. $\frac{-1}{2 x \sqrt{x^{2}-1}}$
c. $\frac{1}{2 x \sqrt{x^{2}-1}}$
d. None of these | 1 |
22. Let $C$ be a circle with two diameters intersecting at an angle of $30^{\circ}$. A circle $S$ is tangent to both the diameters and to $C$, and has radius unity. The largest radius of $C$ is
a. $1+\sqrt{6}+\sqrt{2}$
b. $1+\sqrt{6}-\sqrt{2}$
c. $\sqrt{6}+\sqrt{2}-11$
d. None of these | 1 |
4. In the circuit shown in figure, switch remains closed for long time. It is opened at time $t=0$. Match the following two columns at $t=(\ln 2)$ second.
| | Column I | Column II |
| :---... | 1 |
95. Consider the sequence $1,2,2,4,4,4,4,8,8,8,8,8,8,8,8, \ldots$ Then $1025^{\text {th }}$ term will be
a. $2^{9}$
b. $2^{11}$
c. $2^{10}$
d. $2^{12}$ | 1 |
8. Which of the following has the shortest $\mathrm{C}-\mathrm{Cl}$ bond?
[Main Jan. 09, 2020 (II)]
(a) $\mathrm{Cl}-\mathrm{CH}=\mathrm{CH}_{2}$
(b) $\mathrm{Cl}-\mathrm{CH}=\mathrm{CH}-\mathrm{NO}_{2}$
(c) $\mathrm{Cl}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}$
(d) $\mathrm{Cl}-\mathrm{CH}=\mathrm{CH}-\mathrm{OCH}... | 1 |
What is VRAM on a graphics card used for? Dual/triple monitor? If so, how much VRAM is enough to power triple 4K gaming machines at high settings? | 0 |
7. In a standing wave, node is a point of
(a) maximum strain
(b) maximum pressure
(c) maximum density
(d) All of these | 1 |
Food aid can also be indirectly diverted from its intended recipients through the manipulation of what? | 0 |
17. Only two isomeric monochloro derivatives are possible for:
(a) $n$-butane
(b) 2, 4-dimethylpentane
(c) benzene
(d) 2-methylpropane | 1 |
How do I gain weight to build muscle? | 0 |
Example 1.135 Find the largest natural number ' $a$ ' for which the maximum value of $f(x)=a-1+2 x-x^{2}$ is smaller than the minimum value of $g(x)=x^{2}-2 a x+10-2 a$. | 1 |
What is the Sahara, and how do the average temperatures there compare to the ones in the Namib Desert? | 0 |
(iii) If $\mathrm{A} \subset \mathrm{B}$ and $\mathrm{B} \subset \mathrm{C}$, then $\mathrm{A} \subset \mathrm{C}$ | 1 |
Britain's dominant position in world trade over some countries' economies has been called what? | 0 |
9. Three elements $X, Y$ and $Z$ are in the $3^{\text {rd }}$ period of the periodic table. The oxides of $\mathrm{X}, \mathrm{Y}$ and $\mathrm{Z}$, respectively, are basic, amphoteric and acidic. The correct order of the atomic numbers of $\mathrm{X}, \mathrm{Y}$ and $\mathrm{Z}$ is :
(a) Z $<\mathrm{Y}<\mathrm{X}$
(... | 1 |
Can we say different races among humans are different species or subspecies of human? | 0 |
92 Our Sun is $2.3 \times 10^{4}$ ly (light-years) from the center of our Milky Way galaxy and is moving in a circle around that center at a speed of $250 \mathrm{~km} / \mathrm{s}$. (a) How long does it take the Sun to make one revolution about the galactic center? (b) How many revolutions has the Sun completed since ... | 1 |
18. A sodium salt on treatment with $\mathrm{MgCl}_{2}$ gives white precipitate only on heating. The anion of the sodium salt
(a) $\mathrm{HCO}_{3}^{-}$
(b) $\mathrm{CO}_{3}^{2}$
(c) $\mathrm{NO}_{3}^{-}$
(d) $\mathrm{SO}_{4}^{2}$ | 1 |
Why is potassium not used for Lassaigne's Test? | 0 |
31. $\mathrm{CuSO}_{4}$ decolourises on addition of $\mathrm{KCN}$, the product formed is
(a) $\mathrm{Cu}^{2+}$ get reduced to form $\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]^{3-}$
(b) $\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]^{2-}$
(c) $\mathrm{CuCN}$
(d) $\mathrm{Cu}(\mathrm{CN})_{2}$ | 1 |
What type of religion is Christianity? | 0 |
30. The octahedral complex of a metal ion $\mathrm{M}^{3+}$ with four monodentate ligands $L_{1}, L_{2}, L_{3}$ and $L_{4}$ absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is:
(a) $L_{4}<L_{3}<L_{2}<L_{1}$
(b) $L_{1}<L_{3}<L_{2... | 1 |
How do I legally change my name in India? How long it will take to get a new name? | 0 |
Ex. 7. The two acids $\mathrm{H}_{2} \mathrm{SO}_{4}$ and $\mathrm{H}_{3} \mathrm{PO}_{4}$ are neutralised separately by the same amount of an alkali when sulphate and dihydrogen orthophosphate are formed respectively. Find the ratio of the masses of $\mathrm{H}_{2} \mathrm{SO}_{4}$ and $\mathrm{H}_{3} \mathrm{PO}_{4}$... | 1 |
What comics are on the Internet? | 0 |
10. Which of the following statements is not true?
[Main Online April 15, 2018 (II)]
(a) Chain growth polymerisation involves homopoly-merisation only
(b) Chain growth polymerisation includes both homo-polymerisation and copolymerisation
(c) Nylon 6 is an example of step-growth polymerisation
(d) Step growth polym... | 1 |
34. If $y=\tan ^{-1}\left(\frac{2^{x}}{1+2^{2 x+1}}\right)$, then $\frac{d y}{d x}$ at $x=0$ is
a. 1
b. 2
c. $\ln 2$
d. None of these | 1 |
In which centuries was the Age of Discovery? | 0 |
What are the best companies to get if you are a civil engineer? | 0 |
5. Let $l, r, c$ and $v$ represent inductance, resistance, capacitance and voltage, respectively. The dimension of $\frac{1}{r c v}$ in SI units will be :
(a) $\left[\mathrm{LA}^{-2}\right]$
(b) $\left[\mathrm{A}^{-1}\right]$
(c ) $[\mathrm{LTA}]$
(d) $\left[\mathrm{LT}^{2}\right]$ | 1 |
Example 1.35 Solve $1<\log _{2}(x-2) \leq 2$. | 1 |
3. The kinctic encrgy of an clectron revolving in an orbit of hydrogen atom is $E_{0} / 9$, where $E_{0}$ is the kinetic energy in first Bohr orbit. If the de-Broglie wavelength of the electron is $\lambda$ then the radius of the orbit will be :
(a) $3 \lambda$
(b) $\frac{3 \lambda}{\pi}$
(c) $6 \pi \lambda$
(d) $\frac... | 1 |
32. anti-Markovnikoff addition of $\mathrm{HBr}$ is not observed in :
$[1985$ - 1 Mark]
(a) propene
(b) 1-butene
(c) but-2-ene
(d) pent-2-ene | 1 |
19. During a nuclear fission reaction,
(a) a heavy nucleus breaks into two fragments by itself
(b) a light nucleus bombarded by thermal neutrons breaks up
(c) a heavy nucleus bombarded by thermal neutrons breaks up
(d) two light nuclei combine to give a heavier nucleus and possibly other products. | 1 |
Can I do BA from IGNOU & then apply for CAT if i complete my MBA from an IIM college will the job interviewer discriminate me for doing BA from ignou? | 0 |
24. Which one of the following reactions will not result in the formation of carbon-carbon bond?
(a) Reimer-Tieman reaction
(b) Friedel Craft's acylation
(c) Wurtz reaction
(d) Cannizzaro reaction | 1 |
Who was instrumental in creating Organic architecture? | 0 |
What is life like on a US Navy LPD? | 0 |
4. $\frac{1}{x^{2}\left(x^{4}+1\right)^{\frac{3}{4}}}$ | 1 |
What does a girl mean when she says, "you are too good to be a boyfriend.."? | 0 |
What is the best way to prepare for IITJEE? | 0 |
Ex. 25. A certain buffer solution contains equal concentrations of $\mathrm{X}^{-}$and HX . The $K_{\mathrm{b}}$ for $\mathrm{X}^{-}$is $10^{-10}$. The pH of the buffer is
(a) 4
(b) 7
(c) 10
(d) 14 | 1 |
17. If $P \equiv(6,8)$, then the area of $\triangle Q R S$ is
a. $\frac{(6)^{3 / 2}}{25}$ sq. units
b. $\frac{(24)^{3 / 2}}{25}$ sq. units
c. $\frac{48 \sqrt{6}}{25}$ sq. units
d. $\frac{192 \sqrt{6}}{25}$ sq. units | 1 |
34. In a triangle $A B C, A \equiv(\alpha, \beta), B \equiv(2,3)$ and $C \equiv(1,3)$ and point $A$ lies on line $y=2 x+3$ where $\alpha \in I$. Area of $\triangle A B C, \triangle$, is such that $[\Delta]=5$. Possible coordinates of $A$ are (where [$\cdot$] represents greatest integer function)
a. $(2,3)$
b. $(5,13)... | 1 |
What is wheat gelatin? | 0 |
What are the prerequisites to get a job seeker visa to Germany? | 0 |
6. A sphere is rotating about a diameter.
(a) The particles on the surface of the sphere do not have any linear acceleration.
(b) The particles on the diameter mentioned above do not have any linear acceleration.
(c) Different particles on the surface have different angular speeds.
(d) All the particles on the surface ... | 1 |
What's the best joke you have ever heard? | 0 |
44. If $N^0$ is the initial number of nuclei, number of nuclei remaining undecayed at the end of $n^{\text {th }}$ half-life is
(a) $2^{-n} N^0$
(b) $2^n N^0$
(c) $n^{-2} N^0$
(d) $n^2 N^0$ | 1 |
Things should know before MS in Canada? | 0 |
Do you think demonetization is scam? | 0 |
1. How many hydrogens does each of the following compounds have?
(a) C8H?O2
, has two rings and one double bond
(b) C7H?N, has two double bonds
(c) C9H?NO, has one ring and three double bonds | 1 |
7. Two plane mirrors $A$ and $B$ are aligned parallel to each other, as shown in the figure. A light ray is incident at an angle $30^{\circ}$ at a point just inside one end of $A$. The plane of incidence coincides with the plane of the figure. The maximum number of times the ray undergoes reflections (including the fir... | 1 |
How can substantive farming meet and develop the needs of a family? | 0 |
Why India has placed 0.seven million army trops in Kashmir which is the almost equal to entire Pakistani army? | 0 |
What did the May Fourth movement help do? | 0 |
The primary job of the brain is what? | 0 |
32. $\int \frac{\sqrt{x-1}}{x \sqrt{x+1}} d x$ is equal to
a. $\ln \left|x-\sqrt{x^{2}-1}\right|-\tan ^{-1} x+c$
b. $\ln \left|x+\sqrt{x^{2}-1}\right|-\tan ^{-1} x+c$
c. $\ln \left|x-\sqrt{x^{2}-1}\right|-\sec ^{-1} x+c$
d. $\ln \left|x+\sqrt{x^{2}-1}\right|-\sec ^{-1} x+c$ | 1 |
How can we learn sap hana? | 0 |
12. Consider a thin square plate floating on a viscous liquid in a large tank. The height $h$ of the liquid in the tank is much less than the width of the tank. The floating plate is pulled horizontally with a constant velocity $u_{0}$. Which of the following statements is (are) true?
(2018 Adv.)
(a) The resistive fo... | 1 |
29. If A and G be A.M. and G.M., respectively between two positive numbers, prove that the numbers are $\mathrm{A} \pm \sqrt{(\mathrm{A}+\mathrm{G})(\mathrm{A}-\mathrm{G})}$. | 1 |
19. Given three non-zero, non-coplanar vectors $\vec{a}, \vec{b}$ and $\vec{c}$. $\overrightarrow{r_{1}}=p \vec{a}+q \vec{b}+\bar{c}$ and $\overrightarrow{r_{2}}=\vec{a}+p \vec{b}+q \bar{c}$. If the vectors $\overrightarrow{r_{1}}+2 \overrightarrow{r_{2}}$ and $2 \overrightarrow{r_{1}}+\overrightarrow{r_{2}}$ are colli... | 1 |
What is a good gaming pc build for around $950? | 0 |
46. If $\int x \frac{\ln \left(x+\sqrt{1+x^{2}}\right)}{\sqrt{1+x^{2}}} d x$
$=a \sqrt{1+x^{2}} \ln \left(x+\sqrt{1+x^{2}}\right)+b x+c$, then
a. $a=1, b=-1$
b. $a=1, \mathrm{~b}=1$
c. $a=-1, b=1$
$\mathrm{d} a=-1, \mathrm{~b}=-1$ | 1 |
17. Let $f(x)=\int_{1}^{x} \sqrt{2-t^{2}} d t$. Then the real roots of the equation $x^{2}-f^{\prime}(x)=0$ are
a. $\pm 1$
b. $\pm \frac{1}{\sqrt{2}}$
c. $\pm \frac{1}{2}$
d. 0 and 1 | 1 |
Federal sovereign only possess authority if it is stated in what? | 0 |
What's the difference between electrical and electronics engineering and information and communication engineering? | 0 |
5. The metal that gives hydrogen gas upon treatment with both acid as well as base is :
(a) magnesium
(b) mercury
(c) zinc
(d) iron | 1 |
How can I be an owner of a jet? | 0 |
Where do local people shop clothes and shoes in Milan Italy? | 0 |
Why do babies learn to walk before they learn to talk? | 0 |
If a bank already maintains CRR, what is the need for SLR? | 0 |
3. Calculate the energy in calories required to produce, from neutral He atoms, 1 mole of (a) $\mathrm{He}^{+}$ions (b) ' $\mathrm{He}^{++}$ions using Bohr's equations.
[(b) 1,821000 cal] | 1 |
How can I update my windows phone lumia 535 as it is not automatically updating? | 0 |
Vegetarian restaurants come from which Rajasthani region? | 0 |
25. Let the $x-z$ plane be the boundary between two transparent media. Medium 1 in $z \geq 0$ has a refractive index of $\sqrt{2}$ and medium 2 with $z<0$ has a refractive index of $\sqrt{3}$. A ray of light in medium 1 given by the vector $\vec{A}=6 \sqrt{3} \hat{i}+8 \sqrt{3} \hat{j}-10 \hat{k}$ is incident on the pl... | 1 |
Who has invented Quora? | 0 |
10. $\frac{1}{x-\sqrt{x}}$ | 1 |
4. If the line, $\frac{x-3}{2}=\frac{y+2}{-1}=\frac{z+4}{3}$ lies in the plane, $l x+m y-z=9$, then $l^{2}+m^{2}$ is equal to
(a) 26
(b) 18
(c) 5
(d) 2 | 1 |
5.2 What is the difference between physisorption and chemisorption? | 1 |
What is the Edwardian era? | 0 |
41. Statement $I$ The value of the integral
$$
\int_{\pi / 6}^{\pi / 3} \frac{d x}{1+\sqrt{\tan x}} \text { is equal to } \pi / 6
$$
Statement II $\int_{a}^{b} f(x) d x=\int_{a}^{b} f(a+b-x) d x$
(a) Statement I is correct; Statement II is correct; Statement II is a correct explanation for Statement I
(b) Stateme... | 1 |
I had a surgery about 5 months back in my neck. The scars are preety ugly how can I remove them? | 0 |
5. If some three consecutive coefficients in the binomial expansion of $(x+1)^{n}$ in powers of $x$ are in the ratio $2: 15$ : 70 , then the average of these three coefficients is
(2019 Main, 9 April II)
(a) 964
(b) 227
(c) 232
(d) 625 | 1 |
Do Google engineers use Chromebooks? | 0 |
9. Which of the following is/are true about the ellipse $x^{2}+4 y^{2}-2 x-16 y+13=0$ ?
(a) The latus rectum of the ellipse is 1 .
(b) Distance between foci of the ellipse is $4 \sqrt{3}$.
(c) Sum of the focal distances of a point $P(x, y)$ on the ellipse is 4 .
(d) $y=3$ meets the tangents drawn at the vertices of... | 1 |
27.$ *o A sinusoidal wave is sent along a string with a linear density of $2.0 \mathrm{~g} / \mathrm{m}$. As it travels, the kinetic energies of the mass elements along the string vary. Figure 16-37a gives the rate $d K / d t$ at which kinetic energy passes through the string elements at a particular instant, plotted a... | 1 |
What is the mechanism of print currency? | 0 |
1. A reference frame attached to the earth
(a) is an inertial frame by definition
(b) cannot be an inertial frame because the earth is revolving around the sun
(c) is an inertial frame because Newton’s laws are applicable in this frame
(d) cannot be an inertial frame because the earth is rotating about its axis. | 1 |
24. The electric charge for electrode deposition of one gram equivalent of a substance is :
[1984 - 1 Mark]
(a) one ampere per second.
(b) 96,500 coloumbs per second.
(c) one ampere for one hour.
(d) charge on one mole of electrons. | 1 |
10. If ${ }^{n-1} C_{r}=\left(k^{2}-3\right)^{n} C_{r+1}$, then $k \in$
a. $(-\infty,-2]$
b. $[2, \infty)$
c. $[-\sqrt{3}, \sqrt{3}]$
d. $(\sqrt{3}, 2]$
(IIT-JEE, 2004) | 1 |
Pullela Gopichand and Saina Nehwal are known in Hyderabad for being what? | 0 |
2. If the sum of three numbers in A.P., is 24 and their product is 440 , find the numbers. | 1 |
What makes Facebook so addictive? Why do people log into Facebook all the time? Why spend time on Facebook over other things in life? | 0 |
85. The sum of $i-2-3 i+4 \cdots$ up to 100 terms, where $i=\sqrt{-1}$ is
a. $50(1-i)$
b. $25 i$
c. $25(1+i)$
d. $100(1-i)$ | 1 |
80. Let $f(x)=a x^{3}+b x^{2}+c x+1$ have extrema at $x=\alpha, \beta$ such that $\alpha \beta<0$ and $f(\alpha) f(\beta)<0$. Then the equation $f(x)=0$ has
a. three equal real roots
b. one negative root if $f(\alpha)<0$ and $f(\beta)>0$
c. one positive root if $f(\alpha)>0$ and $f(\beta)<0$
d. None of these | 1 |
How is it like to be having dimples for a male person? | 0 |
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