Physics Questions

If a current of 1.5 A is maintained in a resistor of 10 ohm, then the energy dissipated in the resistor in 1 minute will be 

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is half of that of earth and radius is same as that of earth is _________________.

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

Which of the following is a characteristic of an exothermic reaction?

___ is a unit of length, roughly the distance from Earth to the Sun.

The energy stored in a dry cell is in the form of

The force of friction between two surfaces will increase if:

What is the reason for formation of Mirage in desert?