List of top Physics Questions asked in MET

The time period of a freely suspended magnet is \(4\,s\). If it is broken in length into two equal parts and one part is suspended in the same way, then the time period will be:

If one mole of monoatomic gas (\(\gamma = \frac{5}{3}\)) is mixed with one mole diatomic gas (\(\gamma = \frac{7}{5}\)), the value of \(\gamma\) for the mixture is:

Half-life period of a radioactive substance is \(10\,\text{min}\). Then amount of substance decayed in \(40\,\text{min}\) will be:

Two identical containers A and B with frictionless pistons contain the same ideal gas at the same temperature and volume \(V\). The masses are \(m_A\) and \(m_B\). On isothermal expansion to \(2V\), pressure changes are \(\Delta p\) and \(1.5\Delta p\) respectively. The relation between masses is:

An object is moving in a circle at constant speed \(v\). The magnitude of the rate of change of momentum of the object is:

Five equal capacitors each with capacitance \(C\) are connected as shown in the figure. Then, the equivalent capacitance between \(A\) and \(B\) is:

A convex lens of focal length \(0.12\,m\) produces an image which is three times the size of the object. The distance between the object and the lens for a real image is:

The formula for magnetic field of a certain component is given by \[ B = \frac{\mu_0 Ni}{2\pi r} \] where, \(N\) = total number of turns, \(i\) = current, \(r\) = radius. The component is:

Two coils have mutual inductance of \(1.5\,H\). If current in primary coil is suddenly raised to \(5\,A\) in one millisecond, the induced emf in the secondary coil is:

If an observer moves towards a stationary source, then the apparent frequency is given by:

During an experiment, an ideal gas is found to obey an additional law \(Vp^2 = \text{constant}\). The gas is initially at temperature \(T\) and volume \(V\). The temperature of the gas when it expands to a volume \(2V\) is:

The effect of reverse bias in a junction diode on its potential barrier is:

The horizontal component of earth’s magnetic field at a place is \(0.4 \times 10^{-4}\,T\). If the angle of dip is \(45^\circ\), the value of total intensity is:

The mass number of an atom is 15 and its atomic number is 7. Now, this atom absorbs an \( \alpha \)-particle and emits a proton. What will be the mass number of changed atom?

An electric charge in uniform motion produces:

Which equation is valid for adiabatic process?

Which of the following relation is correct? (\(v_{\mathrm{rms}}\): root mean square velocity, \(\bar{v}\): mean velocity and \(v_{\mathrm{mp}}\): most probable velocity)

What is the direction of the electric field at the centre \(O\) of the square in the figure shown below? Given that, \( q = 10\,\text{nC} \) and the side of the square is \(5\,\text{cm}\).

A man at a distance \(11\,km\) from two pillars wants to see them separately. What will be the approximate distance between the pillars?

Internal energy of a gas remains unchanged in:
I. an isothermal process
II. an adiabatic process
III. a reversible process
IV. a cyclic process

A mass \( m \) hanging from a spring is doing simple harmonic motion with frequency \( f \). If the mass is increased by 4 times, then frequency will be:

Time period of oscillation of mass \(m\) suspended from a spring is \(T\). What is the time period when the spring is cut in half and the same mass is suspended from one of the halves?

An electric current of \(2\,A\) passes through a wire of resistance \(25\,\Omega\). How much heat will be generated in \(1\,min\)?

Dimensions of Stefan’s constant is:

A particle, doing simple harmonic motion, at a distance \(3\,cm\) from mean position has acceleration \(12\,cm/s^2\). What is its time period?