Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?
Sound needs a medium to propagate. Since the moon is devoid of any atmosphere, you cannot hear any sound on the moon.
Answer the following.
(1) Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend? Give reasons.
(2) Why can we not hear echo produced in our classroom?
(3) Why are ceilings of concert halls, cinema halls curved?
(4) Which type of waves are sound waves? State their characteristics.
(5) Explain auditory aspects of human ear.