Test Index

KVPY SX SB Exam 20141 Question Paper

© examsnet.com

Question : 29

Total: 120

A whistle emitting a loud sound of frequency 540 Hz is whirled in a horizontal circle of radius 2 m and at a constant angular speed o f 15 rad/s. The speed o f sound is 330 m/s.
The ratio of the highest to the lowest frequency heard by a listener standing at rest at a large distance from the center of the circle is

1.0
1.1
1.2
1.4

Go to Question:

Prev Question

Next Question