Question

Column A
Column B
1. A wooden piece
2. Frosted paper
3. Light
4. Rectilinear propagation of light
5. Eclipse
6. Firefly
7. Represented by a straight line
8. Sun
(a) Form of
energy
(b) Light travels in straight lines
(c) Shadow cast by heavenly bodies
(d) Opaque object
(e) Translucent object
(f) Natural source of light
(g) Luminous body
(h) A ray of light
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Answer 1

Answer:

1. A wooden piece - opaque object

2. Frosted paper - Translucent object

3. Light - Form of energy

4. Rectilinear propagation of light - light travels in straight lines

5. Eclipse - Shadow cast by heavenly bodies

6. Firefly - Luminous body

7. Represented by a straight line - A light ray

8. Sun - Natural source of light

Answer 2

Explanation:

1-d

2-e

3-a

4-b

5-c

6-g

7-h

8-f