Physics Past Questions and Answers

The diagram above shows two vectors at right angles to each other. The value of the resultant vector is

The diagram above show the positions of a cone. The position which can be described as neutral equilibrium is represented as

The correct expression for the potential at a point distance r from a charge q in an electric field is

An image in a convex lens is upright and magnified 3 times. If the focal length of the lens is 15 cm, what is the object distance?

A length of wire has a frequency of 255Hz when stretched by a force of b225N. If the fore increased to 324N, what is the new frequency of vibration