Physics Past Questions and Answers

A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen?

A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at

Total internal reflection will not occur when light travels from

If the linear magnification of the objective and eyepiece convex lenses of a compound microscope are 4 and 7 respectively. Calculate the angular magnification of the microscope

The angle of deviation of light of various colours passing through a triangular prism increases in the order