A man sitting on a swing which is moving to an angle of 60^(@) from the vertical is blowing a whistle which has frequency of 2.0 KHZ. The whistle is 2.0 m from the fixed support point of the swing. A sound detector which detects the whistle sound is kept in front of the swing. The maximum frequency the sound detector detected is :

A man sitting on a swing which is moving to an angle of 60^(@) from th

1.	A man sitting on a swing which is moving to an angle of 60^(@) from the vertical is blowing a whistle which has frequency of 2.0 KHZ. The whistle is 2.0 m from the fixed support point of the swing. A sound detector which detects the whistle sound is kept in front of the swing. The maximum frequency the sound detector detected is :
Answer» <html><body><p>`2.027 kHz`<br/>`1.974 kHz`<br/>`9.74kHz`<br/>`1.011kHz`</p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/frequency-465761" style="font-weight:bold;" target="_blank" title="Click to know more about FREQUENCY">FREQUENCY</a> `<a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a>= 2 kHz` <br/> Velocity of whistle (<a href="https://interviewquestions.tuteehub.com/tag/source-1219297" style="font-weight:bold;" target="_blank" title="Click to know more about SOURCE">SOURCE</a>) `v_(s)=2m` <br/> Velocity of sound `v=332m/s`<br/> Maximum frequency `v_("max")=((V+V_(s))/(V))v` <br/> `=((<a href="https://interviewquestions.tuteehub.com/tag/332-1856202" style="font-weight:bold;" target="_blank" title="Click to know more about 332">332</a>+2)/(332))xx2` <br/> `=((<a href="https://interviewquestions.tuteehub.com/tag/the-equation-r-f-0hm-v-sdz-334-308076" style="font-weight:bold;" target="_blank" title="Click to know more about 334">334</a>)/(332)xx2` <br/> `1.006xx2` <br/> `2.012 kHz`</body></html>