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MHT CET Physics question

PhysicsWavesMHT CET

Two cars are approaching each other with same speed of 20 m/s. A man in car A fires bullets at regular intervals of 10 seconds. What will be the time interval noted by a man in car B between 2 bullets? (velocity of sound = 340 m/s)

Answer: (C)

Solution

Treating the bullets as signals of speed 340 m/s, s; 10

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Question ID VK-070121