Physics questions
20027 published questions with worked solutions.
- The ratio of the acceleration due to gravity on two planets P_1 and P_2 is k_1. The ratio of their respective radii is k_2. The...
- The escape velocity of a body from the surface of the earth is equal to
- The binding energy of a body does not depend upon
- B.E. of a satellite is always
- The gravitational potential energy per unit mass at a point gives ________ at that point
- Escape velocity of a body from the surface of a spherical planet of mass M, radius R and density is
- The escape velocity of a body from the surface of earth is
- The angular velocity of rotation of a star of mass M and radius R at which the matter will escape from its equator is
- If earth's satellite is moved from one stable orbit to a farther stable orbit, then which of the following quantities increase?
- An astronaut inside a satellite is in a state of weightlessness because of the effect of
- A person sitting in a chair in a satellite feels weightless because
- If the earth were to stop rotating, the value of acceleration due to gravity at Mumbai will
- The acceleration due to gravity on the surface of earth varies
- If the earth shrinks without change in mass, what will be the effect on the value of acceleration due to gravity g?
- At any point within the interior of earth, the acceleration due to gravity varies with r (distance between the centre of earth...
- If a body of mass 10 kg is taken to the centre of the earth, its weight will be
- The acceleration due to gravity at the equatorial plane is
- A geostationary satellite
- A geostationary satellite has an orbital period of
- Choose the correct statement from the following. The radius of the orbit of a geostationary satellite depends upon