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[" 176.A whistle revolves in a circle wi...

[" 176.A whistle revolves in a circle with angular velocity "],[omega=20" rad/s,using a string of length "50cm" .If the "],[" actual frequency of sound from the whistle is "],[385Hz" ,then the minimum from the whistle is "],[" observer far away from the centre is (velocity of "],[" sound,"v=340m/s)quad " (b) "374Hz],[" (c) "394Hz]

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A whistle revolves in a circle with an angular speed of 20 rad//sec using a string of length 50 cm . If the frequency of sound from the whistle is 385 Hz , then what is the minimum frequency heard by an observer which is far away from the centre in the same plane? v=340m//s

A whistle revolves in a circle with an angular speed of 20 rad//sec using a string of length 50 cm . If the frequency of sound from the whistle is 385 Hz , then what is the minimum frequency heard by an observer which is far away from the centre in the same plane? v=340m//s

A whistle revolves in a circle with an angular speed of 20 rad//sec using a string of length 50 cm . If the frequency of sound from the whistle is 385 Hz , then what is the minimum frequency heard by an observer which is far away from the centre in the same plane? v=340m//s

(i) What is beat phenomenon? (ii) A whistle revolves in a circle with angular velocity of omega=20rads^(-1) . If the frequency of sound is 385 Hz and speed is 340 ms^(-1) , then find the frequency heard by the observer when the whistle is at B.

(i) What is beat phenomenon? (ii) A whistle revolves in a circle with angular velocity of omega=20rads^(-1) . If the frequency of sound is 385 Hz and speed is 340 ms^(-1) , then find the frequency heard by the observer when the whistle is at B.