A source is moving towards observer with a speed of 20 ms-1 and having frequency 240 Hz and observer is moving towards source with a velocity of 20 ms-1. What is the apparent frequency heard by observer, if velocity of sound is 340 ms-¹?

Question:

Options :

(a) 270 Hz
(b) 240 Hz
(c) 268 Hz
(d) 360 Hz

Answer :

(a) 270 Hz

Answer Steps :

step 1

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