We can't see the shadow of a bird or an aeroplane flying high up in the air, because:

a. the umbra doesn't fall on the ground

b. the penumbra doesn't fall on the ground

c. the umbra is very faint

d. no shadows are formed for flying objects

kindly explain.........

  • 1

We can't see the shadow of bird flying in the air because it is so far that it's shadow is faint and too fast to see the shadow.

  • 2

because it is very far.

  • -1
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