A metal ring is held horizontally and the bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet

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1

A metal ring is held horizontally and the bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet

2

Escape velocity when a body of mass m is thrown vertically from the surface of the earth is v, what will be the escape velocity of another body of mass 4 m is thrown vertically

3

A solid cylinder of mass m and radius R rolls down the inclined plane without slipping. The speed of its C.M. when it reaches the bottom is

4

A liquid is allowed to flow into a tube of truncated cone shape. Identify the correct statement from the following.

5

When a system is taken from state i to state f along the path iaf, it is found that Q = 50 cal and W = 20 cal. Along the path ibf Q = 36 cal W along the Path ibf is

6

In Young's double-slit experiment, the central point on the screen is

7

The work done in ergs for the reversible expansion of one mole of an ideal gas from a volume of 10 litres to 20 litres at 25ºC is

8

Calculate the entropy change in melting 1 mole of ice at 273K. $ΔH_f^\circ$ = 6.025kJ/mol

9

When acetylene is passed into methanol at 160- 200°C in the presence of a small amount of potassium methoxide under pressure, the following is formed -

10

Which compound can exist in a dipolar(zwitterion) state?

11

$A\xrightarrow[{dil.H_{2}SO_{4}}]{K_{2}Cr_{2}O_{7}}$ $B\xrightarrow[{H_{2}O}]{CH_{2}Mgl}$

the reactant A is?

12

In the reaction, $C_{6}H_{5}OH\xrightarrow{NaOH}(A)$ $\xrightarrow[{140^0c,(4-7 atm)}]{CO_{2}}$

$(B)\xrightarrow{HCl} (C)$ the compound (C) is?

13

If A = $\begin{bmatrix}0 & c & -b \\-c & 0 & a \\b & -a & 0 \end{bmatrix}$

and B =$\begin{bmatrix}a^{2} & ab & ac \\ab & b^{2} & bc \\ac & bc & c^{2} \end{bmatrix}$

then AB is equal to

14

Value of $\int_{\frac{\pi}{6}}^{\frac{\pi}{3}}\frac{1}{1+\sqrt{\cot x}}dx $ is

15

The domain of the function f(x) = $\sqrt{\frac{1}{|x-2|-(x-2)}}$ is:

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