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A sound wave has a frequency of 1000Hz and a wavelength of 34cm. How long will it take to travel 1km?

Posted by Navjot Kaur 4 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 4 years, 7 months ago

Velocity = frequency x wavelength

Given data:

Frequency = 1000 Hz

Wavelength = 34 cm 34/100 = 0.34 m

Velocity = 1000 Hz x 0.34 m

Velocity = 340 ms-1

Distance = 1000 m

Formula of velocity

Velocity = distance / time

Time = distance / velocity

Time, t = 1000 m / 340 ms-1

t = 2.94 seconds

1Thank You

ANSWER

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