TNPSC Group 1 · 2022 Preliminary Examination
102.
Which of the following is/are true about Doppler effect?
(1) Doppler effect in light is symmetric
(2) Doppler effect in sound is symmetric
(3) Doppler effect in light is asymmetric
(4) Doppler effect in sound is asymmetric
Answer:
B.
(1) and (4) are correct