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Manipal Entrance Test 2017 Physics Paper

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Question : 50

Total: 50

A stationary police car sounds a siren with a frequency of 990‌Hz. If the speed of sound is 330m∕s, an observer, driving towards the car with a speed of 33m∕s, will hear a frequency of

891‌Hz
900‌Hz
1089‌Hz
1100‌Hz

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