engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Waves Doppler effect
Which of the following statements is consistent with the Doppler effect?
1
As the source of sound moves towards the listener the pitch of the sound appears to be higher.
2
As the source of sound moves towards the listener the pitch of the sound appears to be lower.
3
As the source of sound moves away from the listener the pitch of the sound appears to be higher.
4
As the listener moves towards the source of sound the pitch of the sound appears to be lower.