Advertisements
Advertisements
Question
Answer the following question :
Can sound travel in vacuum?
Advertisements
Solution
No, sound cannot travel in vacuum as it requires a material medium for its propagation.
APPEARS IN
RELATED QUESTIONS
Select the correct alternative :
We can hear sound of frequency
Select the correct alternative :
Wavelength is measured in
How can the pitch of sound produced in a piano be changed ?
What is a transverse wave? In which medium: solid, liquid or gas, can it be produced?
An observer sitting in line of two tanks watches the flashes of two tanks firing at each other at the same time, but he hears the sounds of two shots 2s and 3.5s after seeing the flashes. If distance between the two tanks is 510m, find the speed of sound.
A cannon is fired at A (see diagram). An observer at B hears two sounds. The first sound is heard after 1 second and the second 3s after the observer sees the flash. (Velocity of sound = 340 ms−1)
(i) Why does the observer see the flash before he hears the sound?
(ii) Calculate the distance x between the observer and the wall.
Select the correct option:
In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey.
A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case
Find the odd one out.
