Reflection of Light – Homework

Light: An Introduction

1. How do light helps us see?
2. How do we see colours?
3. How the quality of visibility affect with the change in intesity of light from the light source?
4. How images are formed? What are the conditions that a crystal image is produced on a paper?

Behaviour of light

1. What is the path of movement of a light ray moving in a single medium?
2. What happens when a light encounters another medium during its travel?

Reflection of light

1. State the Laws of Reflection. Explain the same using suitable diagram.
2. Compare regular reflection with diffusion.

Image formation by Plane mirror

1. Draw a ray diagram showing image formation by a verical plane mirror.
2. Draw a ray diagram showing image formation by a horizontal plane mirror.
3. Write the features of image formed by plane mirror.