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प्रश्न
Name the phenomenon involved in tunning a radio set to a particular station
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उत्तर
The phenomenon involved in tuning a radio set to a particular station is called resonance
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संबंधित प्रश्न
Differentiate between the forced and resonant vibrations.
In following figure shows two tuning forks A and B of the same frequency mounted on two separate sound boxes with their open ends facing each other. The fork A is set into vibration.
- Describe your observation.
- State the principle illustrated by this experiment.
Differentiate between the following:
Radio waves and light waves.
The diagram below shows three different modes of vibration P, Q and R of the same string of a given length.
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 |
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| P | Q | R |
- Which vibration will produce a louder sound and why?
- Which vibration will produce sound of maximum shrillness (or pitch) and why?
- What is the ratio of wavelength of vibrations P and R?
Explain a tuning fork (vibrating) is held close to ear. One hears a faint sound. The same vibrating tuning fork is placed on table, such that its handle is in contact with table, one hears a loud sound.
Explain a person walking past a railway line, in the middle of night hears a ringing sound along with the sound of his footsteps.
Explain Why are stringed musical instruments provided with large sound boxes?
Explain free and forced vibrations. Give an experimental arrangement to illustrate the phenomenon of resonance.
Describe a simple experiment to illustrate the phenomenon of resonance and explain it.
