Light MCQ question and answer with solution | Physics Gk MCQs

The least distance (in cm) of distinct vision in

When a strong beam of light is passed through a colloidal solution, the light will

Statement I Diamond is very bright.
Statement II Diamond has very low refractive index.

A simple magnifying Glass includes:

Consider the following statements.
1. A fibre is an optical system based upon the basic principle of total internal reflection.
2. In total internal reflection, the angle of incidence should always be greater than critical angle.
3. The critical angle is very low for a light ray coming from diamond to air.
Which of the statements given above is/are correct?

Concave mirror is used in headlights of vehicles, because it

Which one of the following processes is responsible for the glittering of air bubble rising through water?

An object is placed in front of a convex mirror. What kind of image will be made?

Magnifying glass is basically a

Which of the following substance is less dense visually?