Mirrors, reflection and refraction

Question 1 of 10

A concave mirror is used as a

Question 2 of 10

A convex mirror is used as a car's rear-view mirror because it

Question 3 of 10

Light enters glass (n = 1.5) at an angle of incidence of 30°. The angle of refraction is about

Question 4 of 10

The angle of incidence is 35°. The angle of reflection is

Question 5 of 10

Light passes from air into glass with an angle of incidence of 60° and an angle of refraction of 30°. What is the refractive index? (sin 60° = 0.866, sin 30° = 0.5)

Question 6 of 10

Two plane mirrors inclined at 60° form how many images of an object between them?

Question 7 of 10

Which mirror is used in torches and car headlamps to give a parallel beam?

Question 8 of 10

Light travelling from air into glass bends

Question 9 of 10

You look at yourself in a plane mirror. Your image is

Question 10 of 10

Total internal reflection can happen only when light travels