Physics Questions

What is the SI unit of Power?

The frequency of direct current is _____________

If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?

If speed of rotation of the earth increases, the weight of the body

When a ray of light travels from a denser medium to a rarer medium, it bends

Magnetic striping is evidence of

If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.

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 same as that of earth and radius is half as that of earth is _________________.