Chhattisgarh Board Solutions for Chapter: Reflection of Light, Exercise 3: Questions for practice

What is reflection?

How will you find the centre of curvature of a concave mirror?

Write two uses of a convex mirror.

Focal distance of a concave mirror is $20 \mathrm{cm}$. Find its radius of curvature(in $\mathrm{cm}$).

Find the nature, position and size of the images formed by a concave mirror, when object is at the centre of curvature.

Find the nature, position and size of the images formed by a concave mirror, when object is in between the focus and the centre of curvature.

You have a concave mirror with $20 \mathrm{cm}$ of radius of curvature. To find a real and equal sized image of an object, where will you place it.

Write two differences between convex and concave lens.