Physics Questions

Which of the following has the same unit as energy?

What is the resistance (in Ω) of an electrical component if a current of 0.2 A passes through it on application of 8 V of potential difference across it?

The centre of the reflecting surface of a spherical mirror is called the

A man lifts a luggage of 25 kg from the ground and puts it on the head, 2.5 m above the ground. If the value of g = 10 m/s2, then the value of work done by him on the luggage is

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

Velocity of a car does not depend on

___ is not related to gases.

What will be the resistance of a wire across which, when 2V potential difference is applied, 1A current flows through the wire?