Teaching CG TET Paper 1 & 2 Mock Test 2024 General Science Physics Wave

Velocity of source of sound, when to a stationary observer the frequency appears to be double the original frequency (velocity of sound = 330 ms^–1) is -

1

330 ms^–1

2

165 ms^–1

3

–330 ms^–1

4

–165 ms^–1

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