List of top Physics Questions asked in MHT CET

If the temperature of a hot reservoir is 600K and the cold reservoir is 300K, the efficiency of the Carnot engine is:

The moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its centre and perpendicular to its length is:

What is the moment of inertia for two specific (solid) spheres about their common diameter?

What is the unit of the \(L/R\) ratio?

What is the formula for the safety speed on a banked road?

What is the SI unit of magnetic induction?

What is the shunt resistance \(S\) needed if the galvanometer current \(I_g\) is \(8\%\) of the total current \(I\)?

If a star \(A\) has radiant power three times that of the Sun and a temperature of \(6000\,K\) while the Sun has temperature \(2000\,K\), what is the ratio of their radii \((R_A : R_{Sun})\)?

A Carnot engine works between \(600\,\text{K}\) and \(300\,\text{K}\). Find its efficiency.

What is the SI unit of magnetic induction?

Calculate the radius of a circular path for an electron moving through a magnetic field \(B = 12 \times 10^{-4}\,\text{T}\) with \(v = 3.2 \times 10^{7}\,\text{m/s}\).

Calculate the moment of inertia for two spheres of radius \(10\,\text{cm}\) placed \(20\,\text{cm}\) apart.

What is the unit of the ratio \(L/R\) where \(L\) is inductance and \(R\) is resistance?

State the formula for the safety speed of a vehicle on a curved banked road.

A uniform disc of mass \(M\) and radius \(R\) is rotating about an axis through its center and perpendicular to its plane. What is its moment of inertia?

In a stationary wave, what is the distance between a node and an adjacent antinode?

What is the relation between the height $h$ and the range $R$ when a projectile is fired at $45^\circ$?

What is the SI unit of Luminous Intensity?

What is the formula for the escape velocity of a body from Earth's surface?

Which law states that magnetic susceptibility is inversely proportional to absolute temperature?

What is the SI unit of Magnetic Induction?

Which series of the Hydrogen spectrum lies in the visible region?

According to Curie’s Law, what happens to magnetic susceptibility if absolute temperature is doubled?

Find the equivalent resistance of three resistors of \(6\,\Omega\) each connected in parallel.

What is the working principle behind signal transmission in an optical fiber?