The intensity of energy radiated by a hot body at distance r from it varies as .

The heat radiated by hot body depends on

The energy radiated by a body does not depends on

The gravitational potential energy of a body at a distance r from the centre of earth is U . Its weight at a distance 2r from the centre of earth is

The gravitational potential energy of a body at a distance r from the centre of earth is U . Its weight at a distance 2r from the centre of earth is

The gravitational potential energy of a body at a distance r from the centre of the Earth is U where r gt R (radius of Earth). What is the weight of body at the point ?

The gravitational potential energy at a body of mass m at a distance r from the centre of the earth is U. What is the weight of the body at this distance ?

The gravitational potential energy at a body of mass m at a distance r from the centre of the earth is U. What is the weight of the body at this distance ?

The magnitude of gravitational potential energy of a body at a distance r from the centre of earth is u. Its weight at a distance 2r from the centre of earth is