MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions for Physics

Magnetization of the sample is ______.

The mass of a body on the surface of the earth is 10 kg. The mass of the same body on the surface on the moon is `"g"_"m" = 1/6 "g"_"e"`, where g_m, g_e acceleration due to gravity on the surface of the moon and the earth respectively.

If the two slits in Young's double slit experiment have width ratio 9 : 1, the ratio of maximum to minimum intensity in the interference pattern is ______.

Magnetic material can be easily magnetized if magnetic susceptibility is ______.

If a magnetic field is applied to a liquid in one arm of a narrow U-tube, the liquid level in that arm is lowered. The liquid in U-tube arm is ______.

In the Young's double slit experiment, if the phase difference between the two waves interfering at a point is `phi`, the intensity at that point is proportional to ____________.

If two waves represented by `"y"_1 = 3  "sin" omega "t"` and `"y"_2 = 5  "sin" (omega "t" + pi/3)` interfere at a point, then the amplitude of the resulting wave will be about ____________.

The acceleration due to gravity on a planet is 1.96 m/s². If it is safe to jump from a height of 3 m on tbe earth, the corresponding height on the planet will be ____________.

In a double slit experiment, the separation between the slits is d and distance of screen from slits is D. If the wavelength of light used is `lambda` and I is the intensity of central bright fringe, then intensity at distance x from central maximum is given by ____________.

Relative permittivity and permeability of a material are  `epsilon_"r"` and `µ_"r"` respectively. Which of the following values of these quantities are allowed for a diamagnetic material?

Two identical light sources s₁ and s₂ emit light of same wavelength `lambda`. These light rays will exhibit interference if their ______.

We have a sample of gas characterised by P, V, and T and another sample of gas characterized by 2P, V/4, and 2T. What is the ratio of the number of molecules in the first and second samples?

`phi  "and"  phi_2  (phi_1 > phi_2)` are the work functions of metals A and B. When light of same wavelength is incident on A and B, the fastest emitted electrons from A are ____________ those emitted from B.

The depth 'd' below the surface of the earth at which acceleration due to gravity becomes `(g/n)` is ______.

R = radius of the earth, 'g' = acceleration due to gravity, n = integer

The acceleration due to gravity on moon is `(1/6)^"th"` times the acceleration due to gravity on earth. If the ratio of the density of earth 'ρ_e' to the density of moon 'ρ_m' is `5/3`, then the radius of moon 'R_m' in terms of the radius of earth 'R_e' is ______.

When the value of acceleration due to gravity 'g' becomes `(g/3)` above the earth's surface at height 'h' then relation between 'h' and 'R' is ______.

R =radius of the earth

The radius of the earth is. 6400 km and that of mars is 3200 km. The mass of the earth is about 10 times the mass of mars. Weight of the object on the earth is 200 N. What will be its weight on the mars?

At a height R above the earth's surface, the gravitational acceleration is ______.

(R = radius of earth, g = acceleration due to gravity on earth's surface.)

Two monoatomic ideal gases A and B of molecular masses 'm₁' and 'm₂' respectively, are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound in gas A to that in gas B is given by ______.

A train blowing the whistle moves with a constant velocity 'V' away from an observer standing on the platform. The ratio of the natural frequency of the whistle 'n' to the apparent frequency is 1.2 : 1. If the train is at rest and the observer moves away from it at the same velocity 'V', the ratio of 'n' to the apparent frequency is ______.