List of top Physics Questions asked in UP CPMT

If $E$ = energy, $G$ = gravitational constant, $I$ = impulse and $M$ = mass, the dimensions of $\frac{GIM^{2}}{E^{2}}$ are same as that of

Which of the following expressions is that of a harmonic progressive wave?

Two parallel large thin metal sheets have equal surface charge densities $\left(\sigma=26.4\times10^{-12} c m^{2}\right)$ of opposite signs. The electric field between these sheets is

A hole is in the bottom of the tank having water. If total pressure at the bottom is $3$ atm $(1 \,atm = 10^{5}\, Nm^{-2})$, then velocity of water flowing from hole is

A bullet of mass $0.01$ kg is fired from a rifle of mass $10$ kg with a speed of $200$ m/sec. The recoil speed of the rifle is

The focal length of the field lens (which is an achromatic combination of two lenses) of a telescope is $90$ cm. The dispersive powers of the two lenses in the combination are $0.024$ and $0.036$.The focal lengths of the two lenses are

The intensity of sound from a radio at a distance of $2$ meters from its speaker is $1 \times 10^{-2} \mu W/m^2$. The intensity at a distance of $10$ meters would be

A streched string vibrates with a fundamental frequency of $200$ Hz. If its mass per unit length were to be doubled. What would be the frequency of the first harmonic ?

Light can be polarized because it

Light can be polarized by

An object travels $10$ km at a speed of $100$ m/sec and another $10$ km at $50$ m/sec. The average speed over the whole distance is

The time period of a simple pendulum is to be doubled. Its length should be

A concave lens and a convex lens have same focal length of $20$ cm and both put in contact with combination is used to view an object $5$ cm long kept at $20$ cm from the lens combination. As compared to object the image will be.

Longitudinal waves cannot show the phenomenon of