Question

II. Very short answer type questions.
A. Give two examples of the following.
1. Man-made sources of light
2. Opaque materials
3. Objects that can form a shadow
4. Irregular surfaces (with respect to reflection)
5. Regular surfaces (with respect to reflection)​

Answer 1

Answer:

1. a. LED bulb

b. table lamp

2. a. wood

b. wall

3.a.humans

b. clothes

4. a. circle

b. quadrilateral

5. a. hexagon

b. heptagon

Answer 2

1. lamp , LED light

2. door, wall

3. Animals, shoes

4. water , bent metals(like spoons, dent.)

5. mirror, gadgets when turned off , plain metals.