Advertisements
Advertisements
प्रश्न
Select the correct option:
A part of the longitudinal wave in which particles of the medium are closer than the normal particles is called:
विकल्प
rarefaction
crest
trough
compression
Advertisements
उत्तर
compression
APPEARS IN
संबंधित प्रश्न
How does the loudness of sound produced depend on the vibrating area of the body ?
List four substances which are good absorbers of sound.
What do you mean by the term frequency of a wave? State its S.I. unit.
The sound of an explosion on the surface of a lake is heard by a boat man 100 m away and by a diver 100 m below the point of explosion.
(i) Who would hear the sound first: boatman or diver?
(ii) Give a reason for your answer in part (i).
(iii) If sound takes time t to reach the boatman, how much time approximately does it take to reach the diver?
For which range of frequencies, human ears are most sensitive?
What is musical sound? Give an example.
Select the correct option:
Which of the following is an elastic wave?
Give an example to show that light travels faster than sound?
______ is an unwanted sound.
