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

The escape velocity of a body depends upon mass as ______ 

When gas is m thermal equilibrium, its molecules have ______

A spherical rubber balloon carries a charge, uniformly distributed over the surface. As the balloon is blown up and increases in size, the total electric flux coming out of the surface ______.

A particle of mass m is performing UCM along a circle of radius r. The relation between centripetal acceleration a and kinetic energy E is given by

Faraday's law is the consequence of conservation of ______

Two particles A and B are located at distances r_A and r_B respectively from the centre of a rotating disc such that r_A > r_B. In this case, if angular velocity ω of rotation is constant, then ______

Which of the following is not a property of light?

Gases exert pressure on the walls of the container because the gas molecules ______

The force acting on a particle of charge q moving in a uniform magnetic field with velocity 'v' is ______

According to Gauss' theorem, the electric field of an infinitely long straight wire is proportional to ______

A ray of light is incident at an angle ion one face of prism of small angle A and emerges normally from the other surface. µ is the refractive index of the material of the prism. The angle of incidence is _____________.

A particle is moving in a radius R with constant speed v. The magnitude of average acceleration after half revolution is ____________.

Another name for thermal energy is ______

Two identical masses are connected to a horizontal thin (massless) rod as shown in the figure. When their distance from the pivot is D, a torque τ produces an angular acceleration of α₁. The masses are now repositioned so that they are 2D from the pivot. The same torque produces an angular acceleration α₂ which is given by ______

The figure shows a network of currents. The magnitude of currents is shown here. The current I will be ______

A wheel is subjected to uniform angular acceleration about its axis. The wheel is starting from rest and it rotates through an angle θ_1, in first two seconds. In the next two seconds, it rotates through an angle θ₂. The ratio θ₁/θ₂ is ____________.

A carrier wave of peak voltage 16 V is used to transmit a signal. If the modulation index is 75%, the peak voltage of the modulating signal is ______.

A child starts running from rest along a circular track of radius r with constant tangential acceleration a. After time the feels that slipping of shoes on the ground has started. The coefficient of friction between shoes and the ground is [g = acceleration due to gravity].

The escape velocity of a body from any planet, whose mass is six times the mass of earth and radius is twice the radius of earth will be
(v₈ = escape velocity of a body from the earth's surface).

A rope is wound around a solid cylinder of mass 1 kg and radius 0.4 m. What is the angular acceleration of cylinder, if the rope is pulled with a force of 25 N? (Cylinder is rotating about its own axis.)