Question

iii) We can see bird shadow on the road now but when bird is flying in the sky no shadow is formed, give reason?​

Answer 1

Answer:

The birds flying in the sky do not cast their shadow on the earth because the umbra is absent and the penumbra is too large and too faint that it is not visible as the distance of earth is very large from the bird.

Explanation:

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Answer 2

Answer:

BECAUSE SHADOW NEEDS A VISIBLE MEDIUM TO FORM. ITSELF