Questions
A man standing on a platform hears the sound of frequency 605 Hz coming from a frequency 550 Hz from a train whistle moving towards the platform. If the velocity of sound is 330 m/s, then what is the speed of train?
detailed solution
Correct option is A
n'=nv−vov−vs, 605=550330−0330−vs⇒vs= 30 m/sTalk to our academic expert!
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A person going away from a gate keeper on a scooter at a speed of 10 m/s blows a horn of frequency 600 Hz. If speed of sound is 340 m/s find the apparent frequency heard by the gatekeeper.
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