A siren emitting a note of frequency n is fitted on a police van, traveling towards a stationary listener. What is the velocity of the van, if the frequency of he note heard by the listener is double the original frequency?
(a) VS = V
(b) VS =V/2
(c) VS = 2V
(d) VS =V/3

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Saurabh Koranglekar · Answer

Vikas TU · Answer

Dear student Please refer the clear image , The image above does not looks good , it is blurr. Hope for the best Good Luck Cheers

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A siren emitting a note of frequency n is fitted on a police van, traveling towards a stationary listener. What is the velocity of the van, if the frequency of he note heard by the listener is double the original frequency? (a) VS = V (b) VS =V/2 (c) VS = 2V (d) VS =V/3

A siren emitting a note of frequency n is fitted on a police van, traveling towards a stationary listener. What is the velocity of the van, if the frequency of he note heard by the listener is double the original frequency?
(a) VS = V
(b) VS =V/2
(c) VS = 2V
(d) VS =V/3

2 Answers

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A siren emitting a note of frequency n is fitted on a police van, traveling towards a stationary listener. What is the velocity of the van, if the frequency of he note heard by the listener is double the original frequency? (a) VS = V (b) VS =V/2 (c) VS = 2V (d) VS =V/3

A siren emitting a note of frequency n is fitted on a police van, traveling towards a stationary listener. What is the velocity of the van, if the frequency of he note heard by the listener is double the original frequency? (a) VS = V (b) VS =V/2 (c) VS = 2V (d) VS =V/3

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A siren emitting a note of frequency n is fitted on a police van, traveling towards a stationary listener. What is the velocity of the van, if the frequency of he note heard by the listener is double the original frequency?
(a) VS = V
(b) VS =V/2
(c) VS = 2V
(d) VS =V/3