Reflection at plane and curved mirrors

Question 1 of 10

Light rays parallel to the principal axis reflect through the focus of a concave mirror.

Question 2 of 10

An object is placed 30 cm from a concave mirror of focal length 12 cm. Find the image distance.

Question 3 of 10

How many images are formed by two plane mirrors inclined at 72°?

Question 4 of 10

An object is placed 60 cm from a concave mirror of focal length 15 cm. Find the magnification.

Question 5 of 10

Two parallel plane mirrors produce an infinite number of images.

Question 6 of 10

When an object is at the centre of curvature of a concave mirror, the image is

Question 7 of 10

The image in a plane mirror is laterally inverted.

Question 8 of 10

A concave mirror with a radius of curvature of 50 cm has a focal length of ___ cm.

Question 9 of 10

Give three uses each of concave mirrors and convex mirrors, and explain why each type suits its use.

Question 10 of 10

A concave mirror with a radius of curvature of 20 cm has a focal length of ___ cm.