Question

1. Fill in the blanks with the correct words.
1. Rectilinear propagation of light means light travels in a
(straight/circular line
2.
(Shadows/Vacuum) form as a result of rectilinear propagation of light.
3. A mirror forms a
(real/virtual) image
4. A plane mirror forms an
(inverted/upright) image​

Answer 1

Answer:

1.straight

2.vaccum

3.virtual

4.upright

Answer 2

Answer:

1) a

2) a

3) b

4) a

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