A car sounding its horn at 480Hz moves towards a high wall at a speed of 20m/s, the frequency of the reflected sound heard by the man sitting in the car will be nearest to __________ a) 480Hz b) 510Hz c) 540Hz d) 570Hz
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A car sounding its horn at 480Hz moves towards a high wall at a speed of 20m/s, the frequency of the reflected sound heard by the man sitting in the car will be nearest to __________
a) 480Hz
b) 510Hz
c) 540Hz
d) 570Hz
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