A man sitting on a swing which is moving to an angle of 60° from the vertical is blowing . a whistle which has a frequency of 2.0 k Hz. 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. 2.027 kHz
B. 1.914 kHz
C. 9.14 kHz
D. 1.011 kHz
Answer:A
A man sitting on a swing which is moving to an angle of 60° from the vertical is blowing . a whistle which has a frequency of 2.0 k Hz. 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. 2.027 kHz B. 1.914 kHz C. 9.14 kHz D. 1.011 kHz