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Q. A car is moving on a road with a speed 40 m/s, blows a horn of frequency 200 Hz. The apparent wavelength of sound as observed by a detector on the road behind the car will be (Speed of sound in air is 340 m/s)Options: 1.5 m 1.9 m2.6 m4.1 m

Answer» Q. A car is moving on a road with a speed 40 m/s, blows a horn of frequency 200 Hz. The apparent wavelength of sound as observed by a detector on the road behind the car will be (Speed of sound in air is 340 m/s)

Options:

1.5 m

1.9 m

2.6 m

4.1 m


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