A man sets his watch by the sound of a siren placed at a distance 1 km away. If the velocity of sound is 330 m/s [JIPMER 1999]

A man sets his watch by the sound of a siren placed at a distance 1 km

1.	A man sets his watch by the sound of a siren placed at a distance 1 km away. If the velocity of sound is 330 m/s [JIPMER 1999]
A.	His watch is set 3 sec. faster
B.	His watch is set 3 sec. slower
C.	Visible light wave
D.	None of the above
Answer» C. Visible light wave

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A man sets his watch by the sound of a siren placed at a distance 1 km away. If the velocity of sound is 330 m/s [JIPMER 1999]

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