A stationary source emits sound waves of frequency 500 Hz. Two observe

1.	A stationary source emits sound waves of frequency 500 Hz. Two observers moving along a line passing through the source detect sound to be of frequencies 480 Hz and 530 Hz. Their respective speeds are, in ms⁻¹(Given speed of sound = 300 m/s)(A) 16, 14 (B) 12, 16(C) 8, 18 (D) 12, 18
Answer» ANSWER is D 12and 18m/s

A stationary source emits sound waves of frequency 500 Hz. Two observers moving along a line passing through the source detect sound to be of frequencies 480 Hz and 530 Hz. Their respective speeds are, in ms⁻¹(Given speed of sound = 300 m/s)(A) 16, 14 (B) 12, 16(C) 8, 18 (D) 12, 18

Answer»

ANSWER is D

12and 18m/s

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A stationary source emits sound waves of frequency 500 Hz. Two observers moving along a line passing through the source detect sound to be of frequencies 480 Hz and 530 Hz. Their respective speeds are, in ms⁻¹(Given speed of sound = 300 m/s)(A) 16, 14 (B) 12, 16(C) 8, 18 (D) 12, 18

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