List of top Physics Questions asked in MHT CET

If the current in a coil changes from \(5\,\text{A}\) to \(2\,\text{A}\) in \(0.1\,\text{s}\) and an average emf of \(30\,\text{V}\) is induced, find the self-inductance.

When two sound waves having amplitudes 3 and 5 units are superimposed, find the ratio of maximum to minimum intensity of the resultant wave.

A wire of resistance \(R\) is stretched to triple its original length. Find the new resistance.

What is the change in internal energy of a system if \(500\,\text{J}\) of heat is added and \(200\,\text{J}\) of work is done by the system?

Determine the centripetal force acting on a \(1000\,\text{kg}\) car moving at \(20\,\text{m/s}\) around a curve of radius \(50\,\text{m}\).

Calculate the moment of inertia of a uniform circular disc of mass \(M\) and radius \(R\) about its diameter.

Determine the equivalent capacitance of an infinite circuit formed by repeating identical capacitors of capacitance \(C\).

The capacitance of an infinite circuit formed by the repetition of the same link consisting of two identical capacitors, each with capacitance \(C\), as shown in the figure is:

A particle moves with a constant velocity of \(5\ \text{m/s}\) in a circular path of radius \(2\ \text{m}\); calculate its centripetal acceleration.

Calculate the equivalent capacitance of an infinite circuit formed by repeating identical capacitors of capacitance \(C\).

Determine the minimum speed at the topmost point of a vertical circle of radius \(L\) for the string to remain taut.

What is the time period of a simple pendulum of length \(1\ \text{m}\) if \(g = 9.8\ \text{m/s}^2\)?

A block of mass \(5\ \text{kg}\) is on a frictionless surface; find its acceleration when a force of \(10\ \text{N}\) is applied.

A wire of length \(L\) and resistance \(R\) is stretched to twice its length; what is the new resistance?

At what temperature will the r.m.s. velocity of a hydrogen molecule be equal to that of an oxygen molecule at \(47^\circ\text{C}\)?

A \(1.5\,\text{kg}\) block is attached to a spring with spring constant \(k=100\,\text{N m}^{-1}\) and displaced by \(0.2\,\text{m}\). Calculate the potential energy stored in the spring.

In a Young's Double Slit Experiment, find the fringe width if the distance between slits is doubled and the screen distance is halved.

Determine the energy of a photon in eV if its wavelength is \( 4000\ \text{\AA} \).

Find the ratio of the de Broglie wavelengths of a proton and an alpha particle accelerated through the same potential difference.

A capillary tube of radius \( r \) is dipped in water; find the height \( h \) to which water rises if the surface tension is \( T \).

Calculate the moment of inertia of a uniform ring of mass \( M \) and radius \( R \) about a tangent in its own plane.

Find the acceleration of a \(2\) kg block acted upon by a net force of \(10\) N.

A car starts from rest and accelerates uniformly at \(3\ \text{m/s}^2\); determine its velocity after \(5\) seconds.

Find the ratio of fundamental frequencies \( f_1/f_2 \) for a pipe open at both ends when \( \frac{1}{3} \) of its length is later submerged in water.

Calculate the percentage increase in apparent frequency for an observer moving towards a stationary sound source with \( \frac{1}{5} \)th the velocity of sound.