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प्रश्न
What do you understand by the term sound energy?
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उत्तर
“It is a form of energy that produces the sensation of hearing in our ears.” Sound is produced when a body vibrates.
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संबंधित प्रश्न
How do we produce sound ?
What is a longitudinal wave ?
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
The longitudinal waves travel in a coiled spring at a rate of 4 m/s. The distance between two consecutive compressions is 20 cm. Find :
(i) Wavelength of the wave (ii) Frequency of the wave
The speed of sound in air at 0°C is nearly :
State the relation between the wavelength and the frequency.
A sound wave of wavelength 1/3 m has a frequency 996 Hz. Keeping the medium same, if frequency changes to 1328 Hz. Calculate
- velcoity of sound
- new wavelength.
What type of sound is produced by elephants and whales?
