State whether the following statements are true or false. Correct the false statements.

(a) Non-luminous objects like trees and chairs emit light of their own.

(b) A transparent material allows all the light to pass through.

(c) Translucent objects cast a dark shadow.

(d) The shape of shadow is independent of the object blocking light.

(e) A pinhole camera forms an inverted image.

What is the darker region of the shadow called?

1. Umbra
2. Penumbra
3. Screen
4. Dark shadow

What do you call ray of lights that are emitted by a point source which travel in different directions?

1. Parallel beam
2. Convergent beam
3. Divergent beam
4. Ray

Which of the following will cast a shadow?

1. Butter paper
2. Glass
3. Cellophane
4. School bag