NEET Physics Waves Questions Solved

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A source of sound of frequency 450 cycles/sec is moving towards a stationary observer with 34 m/sec speed. If the speed of sound is 340 m/sec, then the apparent frequency will be 

(1) 410 cycles/sec

(2) 500 cycles/sec

(3) 550 cycles/sec

(4) 450 cycles/sec

(2) n'=nvvv0=45034034034=500 cycles/sec

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