a sound wave strikes a wall perpendicularly. wht is the angle of reflection of the sound wave ???????

a)90⁰ b)0⁰ c)45⁰ d)30⁰

Question

a sound wave strikes a wall perpendicularly wht is the angle of
reflection of the sound wave ???????
a)900 b)00 c)450
d)300

Saket Sinha · Accepted Answer

a)900
as angle of incidence=angle of reflection

a sound wave strikes a wall perpendicularly. wht is the angle of reflection of the sound wave ??????? a)900 b)00 c)450 d)300