Question

01.A sound wave travels at a speed of 3329 m/s. If its wavelength is 1.5 cm, what is the

frequency of this wave? Will it be audible?

02. The frequency of sound produced by source A is twice to the frequency of sound produced

by source B. Compare the wavelengths of both the sounds.

03.A train starts moving from rest and acquires a velocity of 72 km/h in 5 minutes. If the train

moves at a constant acceleration, calculate the following-

(i) Acceleration

(ii) Distance travelled by the bus to acquire this velocity

04. An athlete covers one round of a circular track of 7 m. radius is 44 sec. How much distance

will it cover in 1 minute?​

Answer 1

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