A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/hr towards a tall building which reflects the sound waves. The speed of sound in air is 320 m/s. The frequency of the siren heard by the car driver is
Jayant Kumar , 11 Years ago
Grade 11
1 Answers
Saurabh Koranglekar
Last Activity: 4 Years ago
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