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[Deleted User]
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Asked: 2024-06-05T19:41:00+05:30 In:

As a train approaches us, the frequency or shrillness of its whistle increases. This phenomenon can be explained by?

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As a train approaches us, the frequency or shrillness of its whistle increases. This phenomenon can be explained by?
physics

1 Answer

  1. [Deleted User]
    This answer was edited.

    The Doppler Effect is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. We find that as train approaches us, the frequency (or shrillness) of its whistle increases and when train recedes (goes away) from us, then the frequency (or shrillness) of its whistle decreases. This happens due to Doppler Effect.

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