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NEET UG PHYSICS MCQ: WAVES
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The engineer of a train blows the train whistle as he approaches a crossing. A few moments later he hears a echo from the whistle. The engineer hears the echo of the whistle because of:
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Correct option: A
Reflection
Option A (Reflection) is correct because the echo is the result of the sound wave bouncing off a surface and returning to the source.
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