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प्रश्न
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
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उत्तर
The number of times a body vibrates in one second is called its frequency.
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संबंधित प्रश्न
Distinguish between loudness and intensity of sound.
List four substances which are good absorbers of sound.
When we change a feeble sound to a loud sound, we increase its :
What is sound? What causes it to produce?
Sound is generated by the rhythmic ______ of an object.
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.
On placing your ear close to an iron railing which is tapped some distance away, sound is heard twice. Explain, why?
What is sound? Explain with example how does sound travel in a medium.
What is echolocation? How do animals make use of this phenomenon?
The sound waves travel faster ______.
