Question

11
-3-
PHYSICS
1. When source of sound moves towards a stationary observer, the wavelength of sound
received by him
A) decreases while frequency increases
B) remains the same whereas frequency increases
C) increases and frequency also increases
D) decreases while frequency remains the same​

Answer 1

Explanation:

As source of sound moves towards the observer , the frequency increases. But the velocity of sound remains same that

hence, wavelength decreases

so answer is optional -(A)

Answer 2

Answer:

I full support first answer

so please guys try with first answer

Explanation:

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