Question

A boat is travelling in a river. From this boat a sound
transmitter is lowered into the river through a rigid support.
The wavelength of the sound emitted from the transmitter
inside the water is 14.45 mm. Assume that the attenuation
of sound in water and air is negligible.
What will be the frequency detected by the receiver
connected to the transmitter and kept in air?
(Bulk mod us of water = 2.088 *10^9 Pa.)
(a) 10^3 Hz
(b) 2x 10^4 Hz
(c) 10^5 Hz
(d) 3 * 10^5 Hz​

Answer 1

Answer:

c

Explanation:

10^5 Hz

Answer 2

Answer:

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