AP EAMCET201725 Apr 2017Evening ShiftPhysicsWaves and SoundActual
A source emitting sound of frequency 288 ~Hz is tied to a string of 100 ~cm length and rotated with an angular velocity of 20 rad s ⁻¹ in the horizontal plane. The range of frequencies heard by an observer standing at a distance of 5 ~m from the source is (in Hz ) (Speed of sound in air =340 ~ms ⁻¹ )
Options
- A275 to 320
- B272 to 306
- C288 to 340
- D278 to 298
Correct answer
B. 272 to 306
Step-by-step solution
No solution. Refer to answer key.