Physics Past Questions and Answers

Calculate the position of an object placed in front of a convex mirror having focal length of 12 cm such that an image is formed 6 cm away from the mirror

If the refractive index of crown glass is 1.51, its critical angel is.

When light passes through two media x and y of refraction indices 1.51 and 1.33 respectively, the speed of light in

The ability of the human eye to focus object on the retina is referred to as the power of

Which of the following is a secondary colour