The binding energy per nucleon is maximum in the case of:
1. \(^{235}_{92}U\)
2. \(^{141}_{56}U\)
3. \(^{56}_{26}Fe\)
4. \(^{2}_{4}He\)

 

Two rigid bodies \(A\) and \(B\) rotate with rotational kinetic-energies \(E_A\) and \(E_B\) respectively. The moments of inertia of \(A\) and \(B\) about the axis of rotation are \(I_A\) and \(I_B\) respectively. If \(I_A=\frac{I_B}{4}\) and \(E_A=100=E_0,\) the ratio of angular momentum \((L_A)\) of \(A\) to the angular momentum \((L_B)\) of \(B\) is:

1. \(25\)
2. \(5/4\)
3. \(5\)
4. \(1/4\)

The working principle of a ballpoint pen is:

1. Bernoulli's theorem
2. Surface tension
3. Gravity
4. Viscosity

Progressive waves are represented by the equation; 
 \(y_1=a\sin(\omega t-x)\) and \(y_2=b\cos(\omega t-x)\)
The phase difference between waves is:

1. \(0^\circ\)$$
2. \(45^\circ\)$$
3. \(90^\circ\)$$
4. \(180^\circ\)$$

Two simple pendulums of length \(0.5\) m and \(20\) m respectively are given small linear displacement in one direction at the same time. They will again be in the phase when the pendulum of shorter length has completed \(n\) oscillations, where \(n\) is:

1. \(1\)
2. \(3\)
3. \(2\)
4. \(5\)

A balloon contains \(500\) m³ of helium at \(27~^\circ \mathrm{C}\) and \(1\) atmosphere pressure. The volume of the helium at \(-3~^\circ \mathrm{C}\) temperature and \(0.5\) atmosphere pressure will be:

1. \(1000\) m³
2. \(900\) m³
3. \(700\) m³
4. \(500\) m³

\(220 ~\mathrm{V}\), \(50~\mathrm{Hz}\), AC source is connected to an inductance of \(0.2~\mathrm{H}\) and a resistance of \(20\) \(\Omega\) in series. What is the current in the circuit?

1. \(3.33~\mathrm{A}\) 
2. \(33.3~\mathrm{A}\) 
3. \(5\mathrm{A}\) 
4. \(10\mathrm{~A}\) 

In \(0.2\) s, the current in a coil increases from \(2.0\) A to \(3.0\) A. If the inductance of a coil is \(60\) mH, then the induced current in external resistance of 3 \(\Omega\) will be:

1. \(1\) A
2. \(0.5\) A
3. \(0.2\) A
4. \(0.1\) A

Two coherent light beams of intensities \(I\) and \(4I\) are superposed. The maximum and minimum possible intensities in the resulting beam are:

1. \(5I\) and\(I\)
2. \(5I\) and \(3I\)
3. \(9I\) and \(I\)
4. \(9I\) and \(3I\)

A galvanometer acting as a voltmeter should have:

1.	low resistance in series with its coil
2.	low resistance in parallel with its coil
3.	high resistance in series with its coil
4.	high resistance in parallel with its coil