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प्रश्न
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उत्तर
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संबंधित प्रश्न
The displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.
Study the two sound waves and compare their:
- Amplitudes
- Wavelengths
Define frequency term in relation to a wave.
Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
What is the shape of a soundboard kept behind the speaker on the stage of a big hall ?
What is a megaphone ? Name the principle on which a megaphone works.
A cork piece is floating on the surface of the water in a pond. A piece of pebble is dropped into the water. What will be your observation?
Explain reflection at the boundary of a rarer medium.
