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MHT CET Physics question

PhysicsExperimental SkillsMHT CET

A stone is dropped in to a well 80 m deep. The splash of sound is heard 4.25 second after the stone is dropped. The speed of sound in air is () [MHT-CET 2021]

Answer: (B)

Solution

Fall time s, so the sound takes s to cover 80 m and m/s;

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Question ID VK-068710