Advertisements
Advertisements
Question
A continuous disturbance is created on the surface of water in a ripple tank with a small piece of cork floating on it. Describe the motion of the cork. What does the motion of the cork tell about the disturbance?
Advertisements
Solution
Cork will move up and down about the mean position at the same position along horizontal.
It tells as that only the disturbance/energy is transferred from one particle to the other but particles of the medium do not move from one position to the other.
APPEARS IN
RELATED QUESTIONS
State the speed of (i) light and (ii) sound in air?
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?
he sound of an explosion on the surface of a lake is heard by a boatman 120 m away and by a diver 120 m below the point of explosion. Out of the two persons, who would hear the sound first? Why?
How do the following factor affect the speed of sound in air?
Temperature of air
Sound waves travel very fast in
The sound waves travel faster ______.
Why does an empty vessel produce more sound than a filled one?
