Advertisements
Advertisements
प्रश्न
Give one example to illustrate forced vibrations.
Advertisements
उत्तर
Example: when guitar is played, the artist forces the strings of the guitar to execute forced vibrations.
APPEARS IN
संबंधित प्रश्न
Name the phenomenon involved in tunning a radio set to a particular station
The adjacent diagram shows three different modes of vibrations P, Q and R of the same string.

(i) Which vibration will produce a louder sound and why?
(ii) The sound of which string will have maximum shrillness?
(iii) State the ratio of wavelengths of P and R.
A vibrating tuning fork, held over an air column of a given length with its one end closed, produces a loud audible sound. Name the phenomenon responsible for it and explain the observation.
How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.
When a body vibrates under a periodic force, the vibrations of the body are ______.
On keeping the stem of a vibrating tuning fork on the surface of a table, a loud sound is heard. Give reason.
A bucket kept under a running tap is getting filled with water. A person sitting at a distance is able to get an idea when the bucket is about to be filled.
(i) What change takes place in the sound to give this idea?
(ii) What causes the change in the sound?
State two ways in which resonance differs from forced vibrations.
What do you understand by free vibrations of a body? Draw a displacement-time graph to represent them. Given one example.
