A fish in water, looks upward at an unobstructed overcast sky. what total angle does the sky apper to substend?

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Arun · Answer

Critical angle C = sin^-1 (1/mu) C = sin^-1( 1/sqrt(2) ) C = 45° Total angke does the sky appear to subtend Theta = 2*C = 90° Regards Arun (askIITians forum expert)

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A fish in water, looks upward at an unobstructed overcast sky. what total angle does the sky apper to substend?

A fish in water, looks upward at an unobstructed overcast sky. what total angle does the sky apper to substend?

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