Refraction of sound can occur in:...? Mcqs

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Latest MCQs

Refraction of sound can occur in:...?

(A) Water
(B) Air

(C) Both A & B
(D) None of these

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Latest MCQs

When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...?

(A) 48.8°
(B) 50.0°

(C) 49.1°
(D) 51.0°

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Latest MCQs

Evaporation can occur at ____...?

(A) Freezing point
(B) Melting point

(C) Boiling point
(D) All temperatures

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