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प्रश्न
Give one example to illustrate forced vibrations.
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उत्तर
Example: when guitar is played, the artist forces the strings of the guitar to execute forced vibrations.
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संबंधित प्रश्न
Name the phenomenon involved in tunning a radio set to a particular station
In following figure shows A, B, C and D are four pendulums suspended from the same elastic string XY. Lengths of pendulum A and D are equal, while the length of pendulum B is smaller and the pendulum C is longer. The pendulum A is set into vibration.
(a) what is your observation? (b) Give reason for your observation.
How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.
Differentiate between the following:
Free and forced vibrations.
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(i) What change takes place in the sound to give this idea?
(ii) What causes the change in the sound?
Give two examples of forced vibrations.
When acoustic resonance takes place, a loud sound is heard. Why does this happen? Explain.
State two ways in which resonance differs from forced vibrations.
What do you understand by free (or natural) vibrations?
What are the factors that affect the frequency of a vibrating string and how do they affect the frequency?
