which of the following is are not always necessary to observe a shadow
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Sun is not always necessary to observe a shadow because any source of light, an opaque object and a screen are just necessary enough to see a shadow. Question 5: Paheli observed the shadow of a tree at 8:00 am, 12:00 noon and 3:00 pm.
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Question:- which of the following is are not always necessary to observe a shadow?⤵
Answer:-⤵
(a) Sun is not always necessary to observe a shadow because any source of light, an opaque object and a screen are just necessary enough to see a shadow. Question 5: Paheli observed the shadow of a tree at 8:00 am, 12:00 noon and 3:00 pm.
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