Q. 15.0( 5 Votes )

The ratio of the length of a rod and its shadow is 1 : √3. The angle of elevation of the sum is
A. 30°

B. 45°

C. 60°

D. 90°

Answer :

The ratio of the length of rod and its shadow = 1: √3

Let the angle of elevation of sun be θ


tan θ = P / B (P = perpendicular, B = base)


Here tan θ = 1: √3 =


tan θ = (by rationalizing the denominator)


θ = 30° ( tan 30° = )

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