A SONAR system fixed in a submarine operates at a frequency 40.0kHz. An enemy submarine
Channel: Doubtnut
Date: 2020-08-02

A SONAR system fixed in a submarine operates at a frequency 40.0kHz. An enemy submarine moves towards the SONAR with a speed of 360 km`h^(-1)`. What is the frequency of sound reflected by the submarine ? Take the speed of sound in water to be 1450 `ms^(-1)`.