A blowing whistle emitting a note of frequency 100 Hz is moved horizontally along the circumference of a circle of radius R. If a man is standing at the centre of the circle, then he will___________
A. hear a variations in the frequency of sound in one round
B. not hear any sound
C. hear a sound of the same frequency
D. hear the beats
Answer:C
A blowing whistle emitting a note of frequency 100 Hz is moved horizontally along the circumference of a circle of radius R. If a man is standing at the centre of the circle, then he will___________
A. hear a variations in the frequency of sound in one round B. not hear any sound C. hear a sound of the same frequency D. hear the beats