Advertisements
Advertisements
Question
The velocities of sound waves in four media P, Q, R and S are 18,000 km/h, 900 km/h, 0 km/h and 1200 km/h respectively. Which medium could be a liquid substance?
Options
P
Q
R
S
Solution
Velocity of sound in liquid medium is intermediate to the velocities in solid and gas medium.
(d) S.
APPEARS IN
RELATED QUESTIONS
Sound can travel through ______.
Fill in the blank.
Sound requires a ________ for propagation.
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
Define the terms 'frequency', 'wavelength' and 'velocity' of a sound wave. What is the relation between them?
Explain the experiment, with a neat diagram, to prove the following:
'Sound needs material medium for propagation.'
Answer the following question :
How does the speed of sound differ in different media?
Complete the following sentences :
When sound travels in a medium, the particles of medium ___________ but the disturbance ___________.
Assuming the speed of sound in air equal to 340 m/s and in water equal to 1360 m/s, find the time taken to travel a distance 1700 m by sound in (i) air (ii) water.
The propagation of sound does not occur through a ______.
The speed of sound is ______ in solids than in liquids