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प्रश्न
Why is a loud sound heard at resonance?
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उत्तर
At resonance, the body vibrates with a large amplitude, conveying more energy to the ears, resulting in a loud sound.
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संबंधित प्रश्न
Describe a simple experiment to illustrate the phenomenon of resonance and explain it.
Differentiate between the forced and resonant vibrations.
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.
In following figure shows A, B , C and D represent test tube each of height 20 cm which are filled with water up to heights of 12 cm, 14 cm, 16cm and 18cm respectively. If a vibrating tuning fork is placed over the mouth if test tube D, a loud sound is heard.
- Describe the observations with the tubes A, B and C when the vibrating tuning fork is placed over the mouth of these tubes.
- Give the reason for your observation in each case.
- State the principle illustrated by the above experiment.
Differentiate between the following:
Light and sound waves.
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?
What do you mean by resonance? When does resonance occur?
When acoustic resonance takes place, a loud sound is heard. Why does this happen? Explain.
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.
What do you understand by free vibrations of a body? Draw a displacement-time graph to represent them. Given one example.
