Which of the following facts explain how shadows are formed?
A. Light travels in straight lines.
B. Opaque bodies do not allow light to pass through them.
C. Reflection occurs at smooth surfaces like mirrors.
D. Lateral inversion happens.

(a) both A and B
(b) both A and D
(c) both B and C
(d) only A

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Solution

(a) both A and B
Shadow is formed because light travels in a straight line and opaque bodies do not allow light to pass through them.

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(a) both A and B Shadow is formed because light travels in a straight line and opaque bodies do not allow light to pass through them.

(a) both A and B
Shadow is formed because light travels in a straight line and opaque bodies do not allow light to pass through them.