Advertisements
Advertisements
Question
Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?
Advertisements
Solution
Sound needs a medium to propagate. Since the moon is devoid of any atmosphere, you cannot hear any sound on the moon.
RELATED QUESTIONS
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
A body vibrating with a time-period of `1/256` s produces a sound wave which travels in air with a velocity of 350 m/s. Calculate the wavelength.
Sound travels in air :
The sound waves travel fastest :
Answer the following question :
How does the speed of sound differ in different media?
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
How does the speed of sound in air vary with temperature?
How long will sound take to travel in (a) and iron rail and (b) air, both 3.3 km in length? Take speed of sound in air to be 330 m/s and in iron to be 5280 m/s.
How are bats able to avoid obstacles in their way?
Do all animals have same ranges of audible frequencies?
