Question

Match the following with the appropriate answer: Column A Column B

1. Allows light to pass	A. Luminous body
2. Dark Region	B. Opaque object
3. Casts a shadow	C. Shadow
4. Emits light	D. Transparent object

• A. 1-a, 2-b, 3-c, 4-d
• B. 1-d, 2-b, 3-d, 4-c
• C. 1-d, 2-c, 3-b, 4-a
• D. 1-a, 2-d, 3-c, 4-b

Answer 1

The correct option is C 1-d, 2-c, 3-b, 4-a

Bodies that emit light are called luminous bodies.
Light is blocked by opaque objects. They cast a shadow behind it.
The dark region behind an opaque object where there is absence of light is called the shadow.
Transparent objects allow all the light to pass through them.