![A whistle of frequency 540 Hz moves in a circle of radius 60.0 cm at an angular speed of 20.0 rad/s. What are the (a) lowest and (b) highest frequencies heard by A whistle of frequency 540 Hz moves in a circle of radius 60.0 cm at an angular speed of 20.0 rad/s. What are the (a) lowest and (b) highest frequencies heard by](https://doubtnut-static.s.llnwi.net/static/web-thumb/16464401_web.png)
A whistle of frequency 540 Hz moves in a circle of radius 60.0 cm at an angular speed of 20.0 rad/s. What are the (a) lowest and (b) highest frequencies heard by
![A whistle revolves in a circle with angular speed ω = 20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz , A whistle revolves in a circle with angular speed ω = 20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz ,](https://dwes9vv9u0550.cloudfront.net/images/5490437/668782a6-2468-40c9-aeeb-37ac1329665a.jpg)
A whistle revolves in a circle with angular speed ω = 20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz ,
![A whistle revolves in a circle with angular speed ω=20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz, then what is A whistle revolves in a circle with angular speed ω=20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz, then what is](https://sahay.guru/wp-content/uploads/2020/08/Question-no-34_Solution-5-950x1024.jpg)