Physics questions
20027 published questions with worked solutions.
- Energy required to move a body of mass m from an orbit of radius 2R to 3R is
- A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The magnitude of the gravitational...
- A system of binary stars of masses m_A and m_B are moving in circular orbits of radii r_A and r_B respectively. If T_A and T_B...
- The height at which the weight of a body becomes 1 16 th, its weight on the surface of earth (radius R), is
- The acceleration due to gravity is g at a point distant r from the centre of earth of radius R. If r < R, then
- The value of the acceleration due to gravity g at a point 5.0 km above the earth's surface and 5.0 km below the earth's surface...
- Considering earth's rotation, the value of g at the earth's surface is [MH-CET 2008]
- The ratio of acceleration due to gravity at a height 3R above earth's surface to the acceleration due to gravity on the surface...
- Kepler's third law states that square of period of revolution (T) of a planet around the sun, is proportional to third power of...
- Let 'g_h' and 'g_d' be the acceleration due to gravity at height 'h' above the earth's surface and at depth 'd' below the earth's...
- Calculate angular velocity of earth so that acceleration due to gravity at 60^ latitude becomes zero. (Radius of earth = 6400 km,...
- Suppose the gravitational force varies inversely as the n^ th power of distance. Then the time period of a planet in circular...
- The value of gravitational acceleration at a height equal to radius of earth, is [MH-CET 2004]
- Let g be the acceleration due to gravity at earth's surface and K.E. be the rotational kinetic energy of the earth. Suppose the...
- The depth d at which the value of acceleration due to gravity becomes 1 n times the value at the surface is [R = radius of the...
- A spherical planet has a mass M_P and diameter D_P. A particle of mass m falling freely near the surface of this planet will...
- If the earth rotates faster than its present speed, the weight of an object will [Haryana CET 2010]
- Two bodies of masses m and 4m are placed at a distance r. The gravitational potential at a point on the line joining them where...
- Time period of second pendulum on a planet, whose mass and diameter are twice that of earth, is
- The change in potential energy when a body of mass m is raised to a height nR from the earth's surface is [R = Radius of earth]...