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प्रश्न
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उत्तर
Velocity of sound = `"distance travelled"/"time taken" = (2"d")/"t"`
∴ Velocity of sound = `(2 xx 480)/2` = 480 m/s
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संबंधित प्रश्न
Write true or false for a given statement.
A sound is a form of energy.
Fill in the blank.
________ produces a sensation in ears.
Select the correct alternative :
We can hear sound of frequency
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The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
Select the correct option:
In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:
Select the correct option:
If the frequency of a wave is 25 Hz. the total number of compressions and rarefactions passing through a point in 1 second is :
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the wave velocity.
