Question

(a) Draw a graph for a wave representing wave disturbance and time for a sound changing from low pitch to high pitch keeping amplitude of the sound same.

(b) What happens to the medium through which sound travels ?

(c) Name the physical quantity which determine the pitch of the sound.

(d) A sound wave travels at a speed of 399 m/s. If its wavelength is 1.5 m. What is the frequency of the wave ? Will it be audible to us‟ ? reply fast. exam is very near

Answer 1

this is very big question