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Apparent Frequency

nta whistle ...

Question

nta whistle revolves in a circle with angular speed w=20 rad/sec using a string of 50 cm. if fruency of sound from the whistle is 385 hz.n ntthen what is the minium freuency heard by an observer who is far away from the centre. Vsound=340 m/s ?n

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Q. A whistle revolves in a circle with angular speed

ω = 20

rad/s using a string of length 50 cm . if the frequency of sound from the whistle is 385 Hz, then what is the maximum frequency heard by an observer who is far away from the centre (velocity of sound = 340 m/s) ?

Q. A whistle revolves in a circle with angular velocity

ω = 20 r a d / s

using a string of length

50 c m

. If the actual frequency of sound from the whistle is

385 H z

, then the minimum frequency heard by the observer far away from the centre is (velocity of sound

v = 340 m / s

)

Q. A whistle revolves in a circle with angular velocity

ω = 20 r a d / s

using a string of length

50 c m

. If the actual frequency of sound from the whistle is

385 H z

, then the minimum frequency heard by the observer far away from the centre is (velocity of sound

v = 340 m / s

)

Q. A whistle revolves in a circle with a constant angular speed of

20 rad/s

connected with a string of length

50 cm

. If the frequency of the sound from the whistle is

385 Hz

, then what is the minimum frequency heard by an observer at rest who is far away from the centre?
(velocity of sound is

370 m/s

)

Q. A whistle revolves in a circle with a constant angular speed of

20 rad/s

connected with a string of length

50 cm

. If the frequency of the sound from the whistle is

385 Hz

, then what is the minimum frequency heard by an observer at rest who is far away from the centre?
(velocity of sound is

370 m/s

)

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