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9. A cylindrical solid of mass $10^{-2} \mathrm{~kg}$ and cross-sectional area $10^{-4} \mathrm{~m}^{2}$ is moving parallel to its axis (the $x$-axis) with a uniform speed of $10^{3} \mathrm{~m} / \mathrm{s}$ in the positive direction. At $t=0$, its front face passes the plane $x=0$. The region to the right of this pla... | 1 |
How do I stop hating school so much? | 0 |
Which company had monopoly of the trade to supply slaves to the British colonies of the Caribbean? | 0 |
Is it possible to have an inclusive and tolerant society? | 0 |
23. Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?
(a) $\mathrm{HNO}_{3}, \mathrm{NO}, \mathrm{NH}_{4} \mathrm{Cl}, \mathrm{N}_{2}$
(b) $\mathrm{HNO}_{3}, \mathrm{NO}, \mathrm{N}_{2}, \mathrm{NH}_{4} \mathrm{Cl}$
(c) $\mathrm{HNO}_{3}, \mathrm{NH}_{4} \mathrm{Cl}... | 1 |
How do I delete my Instagram account when I have forgotten my password and the password to my email? | 0 |
8.7 Suggest a list of the substances where carbon can exhibit oxidation states from -4 to +4 and nitrogen from -3 to +5 . | 1 |
51. If $A$ and $B$ are square matrices of the same order and $A$ is nonsingular, then for a positive integer $n,\left(A^{-1} B A\right)^{n}$ is equal to
a. $A^{-n} B^{n} A^{n}$
b. $A^{n} B^{n} A^{-n}$
c. $A^{-1} B^{n} A$
d. $n\left(A^{-1} B A\right)$ | 1 |
31. The ratio of the average molecular kinetic energy of $\mathrm{UF}_{6}$ to that of $\mathrm{H}_{2}$, both at 300 K , is
(a) $1: 1$
(b) $7: 2$
(c) $176: 1$
(d) $2: 7$ | 1 |
19. $A$ is an involuntary matrix given by $A=\left[\begin{array}{ccc}0 & 1 & -1 \\ 4 & -3 & 4 \\ 3 & -3 & 4\end{array}\right]$, then the inverse of $A / 2$ will be
a. $2 A$
b. $\frac{A^{-1}}{2}$
c. $\frac{A}{2}$
d. $A^{2}$ | 1 |
What is the dating of the Kuru kingdom? | 0 |
19. A particle of mass $m$ moving with a speed $v$ hits elastically another stationary particle of mass $2 m$ on a smooth horizontal circular tube of radius $r$. Find the time when the next collision will take place? | 1 |
1. The curve represented by the equation $\sqrt{p x}+\sqrt{q y}=1$, where $p, q \in R, p, q>0$ is
(a) A circle
(b) A parabola
(c) An ellipse
(d) A hyperbola | 1 |
What was Greece's 2011 trade surplus? | 0 |
1.
| Column I | Column II |
| :--- | :--- |
| a. Distance between the points on the <br> curve $4 x^{2}+9 y^{2}=1$, where tangent is <br> parallel to the line $8 x=9 y$, is less than | p. 1 |
| b. Sum of distance between the foci of the <br> curve $25(x+1)^{2}+9(y+2)^{2}=225$ from <br> $(-1,0)$ is more than | q. 4 |
... | 1 |
Dry and sandy conditions are indicative of which region of Rajasthan? | 0 |
How would Trump presidency affect Indian students in the US? | 0 |
How helpful is the made easy postal coaching for mechanical? | 0 |
8. If $x, y$ and $z$ are in AP and $\tan ^{-1} x, \tan ^{-1} y$ and $\tan ^{-1} z$ are also in AP, then
(a) $x=y=z$
(b) $2 x=3 y=6 z$
(c) $6 x=3 y=2 z$
(d) $6 x=4 y=3 z$ | 1 |
How do I get marks to get in SRCC? | 0 |
What year did Pilote begin? | 0 |
18. In the circuit diagram shown in figure, a fuse bulb can cause all other bulbs to go out. Identify the bulb
(a) $B$
(b) $C$
(c) $A$
(d) $D$ or $E$ | 1 |
Light-receptive neurons are located in what part of the eye? | 0 |
What kind of person are you? | 0 |
22. The concentration of hydrogen ion in a 0.2 M solution of formic acid is $6.4 \times 10^{-3}$ mole per litre. To this solution sodium formate is added so as to adjust the concentration of sodium formate to one mole per litre. What will be the pH of this solution? The dissociation constant of formic acid is $2.4 \tim... | 1 |
1. Match the following two columns.
| Column I | Column II |
| :---: | :---: |
| (a) Magnetic induction | (p) $\left[\mathrm{MT}^{-2} \mathrm{~A}^{-1}\right]$ |
| (b) Coefficient of self-induction | (q) $\left[\mathrm{L}^{2} \mathrm{~T}^{-2}\right]$ |
| (c) $L C$ | (r) $\left[\mathrm{ML}^{2} \mathrm{~T}^{-2} \mathrm{~... | 1 |
10. How many elements of unsaturation are implied by the molecular formula C 6H12
?
(A) 0 (B) 1 (C) 2 (D) 3
(E) 4 | 1 |
1. One requires $11 \mathrm{eV}$ of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in
(a) visible region
(b) infrared region
(c) ultraviolet region
(d) microwave region | 1 |
What are the causes of middle ear infection? | 0 |
5 The parallel combination of two air filled parallel plate capacitors of capacitance $C$ and $n C$ is connected to a battery of voltage, $V$. When the capacitors are fully charged, the battery is removed and after that a dielectric material of dielectric constant $K$ is placed between the two plates of the first capac... | 1 |
Courts in commonwealth nations are often influenced by what? | 0 |
Is BJP trying to replace AIADMK and Dravidian politics in Tamil Nadu? | 0 |
Why did some of my sent Instagram direct messages disappear? They were on Instagram for days and suddenly disappeared although I didn't delete them. | 0 |
20. The total number of local maxima and local minima of the function $f(x)=\begin{array}{cc}(2+x)^{3}, & -3<x \leq-1 \\ x^{\frac{2}{3}}, & -1<x<2\end{array}$ is
(a) 0
(b) 1
(c) 2
(d) 3 | 1 |
24. $\vec{a}$ and $\vec{b}$ are two non-collinear unit vectors, and $\vec{u}=\vec{a}-(\vec{a} \cdot \vec{b}) \vec{b}$ and $\vec{v}=\vec{a} \times \vec{b}$. Then $|\vec{v}|$ is
a. $|\vec{u}|$
b. $|\vec{u}|+|\vec{u} \cdot \vec{b}|$
c. $|\vec{u}|+|\vec{u} \cdot \vec{a}|$
d. none of these | 1 |
26. The points $A(0,0), B(\cos \alpha, \sin \alpha)$ and $C(\cos \beta, \sin \beta)$ are the vertices of a right-angled triangle if
a. $\sin \frac{\alpha-\beta}{2}=\frac{1}{\sqrt{2}}$
b. $\cos \frac{\alpha-\beta}{2}=-\frac{1}{\sqrt{2}}$
c. $\cos \frac{\alpha-\beta}{2}=\frac{1}{\sqrt{2}}$
d. $\sin \frac{\alpha-\beta... | 1 |
What's classy if you’re rich, but trashy if you're poor? | 0 |
Which is better, New York City or Los Angeles (and why)? | 0 |
12. Two nonideal batteries are connected in series. Consider the following statements:
(A) The equivalent emf is larger than either of the two emfs.
(B) The equivalent internal resistance is smaller than either of the two internal resistances.
(a) Each of $A$ and $B$ is correct.
(b) $A$ is correct but $B$ is wrong.... | 1 |
32. The locus of the midpoint of a line segment that is drawn from a given external point $P$ to a given circle with centre $O$ (where $O$ is origin) and radius $r$, is
a. a straight line perpendicular to $P O$
b. a circle with centre $P$ and radius $r$
c. a circle with centre $P$ and radius $2 r$
d. a circle with ... | 1 |
Why are the Mollusca and Annelida considered to be close relatives? | 0 |
Example 19.17 A car approaching a crossing $C$ at a speed of $20 \mathrm{~m} / \mathrm{s}$ sounds a horn of frequency $500 \mathrm{~Hz}$ when $80 \mathrm{~m}$ from the crossing. Speed of sound in air is $330 \mathrm{~m} / \mathrm{s}$. What frequency is heard by an observer (at rest) $60 \mathrm{~m}$ from the crossing o... | 1 |
Do all Muslims wish that Islam was the only religion on earth? | 0 |
Example 2.6
From the curve given in figure (2.14) find $\frac{d y}{d x}$ at $x=2$, 6 and 10.
Figure 2.14 | 1 |
Which programming language is most important to get best job? | 0 |
For how long have modern humans lived on the Indian subcontinent? | 0 |
18. $\int \frac{g(x)}{f(x)} d x$ is equal to
a. $\log \left(e^{x}+e^{-x}\right)+c$
b. $\log \left(\mathrm{e}^{\mathrm{x}}-e^{-x}\right)+c$
c. $\log \left(e^{2 x}-1\right)+c$
d. none of these | 1 |
15. If $x_{1}, x_{2}, \ldots \ldots \ldots x_{n}$ are independent variables such that sum of coefficient of $\left({ }^{n} C_{1} x_{1}^{2}+{ }^{n} C_{2}\left(x_{1}+x_{2}\right)^{2}+{ }^{n} C_{3}\left(x_{1}+x_{2}+x_{3}\right)^{2}+\ldots \ldots . .+{ }^{n} C_{n}\left(x_{1}+x_{2}+\ldots \ldots x_{n}\right)^{2}\right)^{n}$... | 1 |
13. A given quantity of an ideal gas is at pressure $p$ and absolute temperature $T$. The isothermal bulk modulus of the gas is
(1998, 2M)
(a) $\frac{2}{3} p$
(b) $p$
(c) $\frac{3}{2} p$
(d) $2 p$ | 1 |
I had a bad habit of masturbation. Sometimes I would do it 2-3 times a day. I used to do it vigorously. This went on for few years. Now my right arm feels weaker than my left. My right shoulder mass and size has decreased drastically. Any advice or suggestions? | 0 |
Are there any institutions that offer ethical hacking as a course? | 0 |
46. If $A=\left[\begin{array}{ll}1 & 2 \\ 2 & 1\end{array}\right]$ and $f(x)=\frac{1+x}{1-x}$, then $f(A)$ is
a. $\left[\begin{array}{ll}1 & 1 \\ 1 & 1\end{array}\right]$
b. $\left[\begin{array}{ll}2 & 2 \\ 2 & 2\end{array}\right]$
c. $\left[\begin{array}{rr}-1 & -1 \\ -1 & -1\end{array}\right]$
d. none of these | 1 |
27. In triangle $A B C$, equation of side $B C$ is $x-y=0$. Circumcentre and orthocentre of the triangle are $(2,3)$ and $(5,8)$, respectively. Equation of circumcircle of the triangle is
a. $x^{2}+y^{2}-4 x+6 y-27=0$
b. $x^{2}+y^{2}-4 x-6 y-27=0$
c. $x^{2}+y^{2}+4 x+6 y-27=0$
d. $x^{2}+y^{2}+4 x+6 y-27=0$ | 1 |
Where does Amazon get most of its revenue from? | 0 |
3. Chlorobenzne reacts with trichloro acetaldehyde in the presence of $\mathrm{H}_{2} \mathrm{SO}_{4}$.
The major product formed is:
(a)
=\left\{x^{2}\right\}-(\{x\})^{2}$, where $\{x\}$ denotes the fractional part of $x$, then
a. $f(x)$ is continuous at $x=-2$ but not at $x=2$
b. $f(x)$ is continuous at $x=2$ but not at $x=-2$
c. $f(x)$ is continuous at $x=2$ and at $x=-2$
d. $f(x)$ is discontinuous at $x=-2$ and at $x=2$ | 1 |
21 Energy can be removed from water as heat at and even below the normal freezing point $\left(0.0^{\circ} \mathrm{C}\right.$ at atmospheric pressure) without causing the water to freeze; the water is then said to be supercooled. Suppose a 1.00 g water drop is supercooled until its temperature is that of the surroundin... | 1 |
Storyboards are used a lot by what? | 0 |
27. If the inequality $\sin ^{2} x+a \cos x+a^{2}>1+\cos x$ holds for any $x \in R$, then the largest negative integral value of $a$ is
a. -4
$\mathbf{b}-3$
c. -2
d. -1 | 1 |
What tribe received tribute from the Eastern Roman emperors in the 6th century? | 0 |
What is a list of all the foods beginning with the letter P? | 0 |
What are some good sites for learning C#? | 0 |
What is a narcokleptocracy? | 0 |
81. If $x=\log p$ and $y=\frac{1}{p}$, then
a. $\frac{d^{2} y}{d x^{2}}-2 p=0$
c. $\frac{d^{2} y}{d x^{2}}+\frac{d y}{d x}=0$
d. $\frac{d^{2} y}{d x^{2}}-\frac{d y}{d x}=0$
h. $\frac{d^{2} y}{d x^{2}}+y=0$ | 1 |
Which one is better for IES coaching between Made Easy and I.E.S. Master for Civil guys? | 0 |
Who is the Pope? | 0 |
Can you make money with bitcoin? | 0 |
1.239. Calculate the moment of inertia
(a) of a copper uniform disc relative to the symmetry axis perpendicular to the plane of the disc, if its thickness is equal to $b=2.0 \mathrm{~mm}$ and its radius to $R=100 \mathrm{~mm}$;
(b) of a uniform solid cone relative to its symmetry axis, if the mass of the cone is equa... | 1 |
Example 6.29 Let $f:[a, b] \rightarrow R$ be a function such that for $c \in$ $(a, b), f^{\prime}(c)=f^{\prime \prime}(c)=f^{\prime \prime \prime}(c)=f^{i v}(c)=f^{\nu}(c)=0$, then
a. $f$ has a local extremum at $x=c$
b. $f$ has neither local maximum nor minimum at $x=c$
c. $f$ is necessarily a constant function
d it ... | 1 |
What does wiki leaks have on Hillary Clinton? | 0 |
What can delete a statute and make it unconstitutional? | 0 |
11. If A and B are two events such that $\mathrm{P}(\mathrm{A}) \neq 0$ and $\mathrm{P}(\mathrm{B} \mid \mathrm{A})=1$, then
(A) $\mathrm{A} \subset \mathrm{B}$
(B) $\mathrm{B} \subset \mathrm{A}$
(C) $\mathrm{B}=\phi$
(D) $\mathrm{A}=\phi$ | 1 |
1. $\lim _{n \rightarrow \infty} \frac{(n+1)^{1 / 3}}{n^{4 / 3}}+\frac{(n+2)^{1 / 3}}{n^{4 / 3}}+\ldots .+\frac{(2 n)^{1 / 3}}{n^{4 / 3}}$ is equal to
(a) $\frac{4}{3}(2)^{4 / 3}$
(b) $\frac{3}{4}(2)^{4 / 3}-\frac{4}{3}$
(c) $\frac{3}{4}(2)^{4 / 3}-\frac{3}{4}$
(d) $\frac{4}{3}(2)^{3 / 4}$ | 1 |
Chinese housing price? | 0 |
Ex 2.25 Find the values of $\alpha$ for which the point $(\alpha-1, \alpha+1)$ lies in the larger segment of the circles $x^{2}+y^{2}-x-y-6=0$ made by the chord whose equation is $x+y-2=0$. | 1 |
111. A triangle is formed by the lines $x+y=0, x-y=0$ and $l x+m y=1$. If $l$ and $m$ vary subject to the condition $l^{2}+m^{2}=1$, then the locus of its circumcentre is
a. $\left(x^{2}-y^{2}\right)^{2}=x^{2}+y^{2}$.
b. $\left(x^{2}+y^{2}\right)^{2}=\left(x^{2}-y^{2}\right)$
c. $\left(x^{2}+y^{2}\right)=4 x^{2} y^{... | 1 |
13. A particle is given an initial speed $u$ inside a smooth spherical shell of radius $R$ so that it is just able to complete the circle. Acceleration of the particle, when its velocity is vertical, is
$ and length $L$.
A variable current $i=i_{0}... | 1 |
How can I deal with copyright issues related to my YouTube videos? | 0 |
What are some good books on marketing? | 0 |
28. Blue liquid which is obtained on reacting equimolar amounts of two gases at $-30^{\circ} \mathrm{C}$ is?
(a) $\mathrm{N}_{2} \mathrm{O}$
(b) $\mathrm{N}_{2} \mathrm{O}_{3}$
(c) $\mathrm{N}_{2} \mathrm{O}_{4}$
(d) $\mathrm{N}_{2} \mathrm{O}_{5}$ | 1 |
21. In the figure shown, the heavy cylinder (radius $R$ ) resting on a smooth surface separates two liquids of densities $2 \rho$ and $3 \rho$. The height $h$ for the equilibrium of cylinder must be
$
(a) $-4<x \leq 0$
(b) $0<x<1$
(c) $-100<x<100$
(d) $-\infty<x<\infty$ | 1 |
Along with valence, what is the other of the two dimensions used to map emotional experiences? | 0 |
22. A metal rod of length $L$ and mass $m$ is pivoted at one end. A thin disc of mass $M$ and radius $R(<L)$ is attached at its centre to the free end of the rod. Consider two ways the disc is attached. case $\boldsymbol{A}$ - the disc is not free to rotate about its centre and case $\boldsymbol{B}$ - the disc is free ... | 1 |
How do I stop my Australian Shepherd/Border Collie mix from humping my furniture? | 0 |
23. Which of the following is not formed when $\mathrm{H}_{2} \mathrm{~S}$ reacts with acidic $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ solution?
(a) $\mathrm{CrSO}_{4}$
(b) $\mathrm{Cr}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
(c) $\mathrm{K}_{2} \mathrm{SO}_{4}$
(d) $\mathrm{S}$ | 1 |
7. A particle $A$ of mass $m$ and initial velocity $v$ collides with a particle $B$ of mass $\frac{m}{2}$ which is at rest. The collision is held on, and elastic. The ratio of the de-Broglie wavelengths $\lambda_{A}$ to $\lambda_{B}$ after the collision is
(a) $\frac{\lambda_{A}}{\lambda_{B}}=2$
(b) $\frac{\lambda_... | 1 |
How would you feel if Trump died? | 0 |
Gun Control in the United States: What do non-gun owners believe an "assault rifle" is? | 0 |
12. Find a particular solution of the differential equation $(x+1) \frac{d y}{d x}=2 e^{-y}-1$, given that $y=0$ when $x=0$. | 1 |
21. Two blocks each having a mass of $3.2 \mathrm{~kg}$ are connected by a wire $C D$ and the system is suspended from the ceiling by another wire $A B$ (figure 15-E5). The linear mass density of the wire $A B$ is $10 \mathrm{~g} \mathrm{~m}^{-1}$ and that of $C D$ is $8 \mathrm{~g} \mathrm{~m}^{-1}$. Find the speed of... | 1 |
What is the formula for hydrated sodium sulfate? How is it determined? | 0 |
22. The $I-V$ characteristic of an LED is
(a)
(b)
(c)
!... | 1 |
Who did the Second Continental Congress join together against? | 0 |
Example 6.11 Is every invertible function monotonic? | 1 |
What are some things new employees should know going into their first day at M/I Homes? | 0 |
What period preceded the Little Ice Age? | 0 |
How can you determine the formula for calcium sulphate dihydrate? | 0 |
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