The distance between any two consecutive crests or troughs is called____________________?

A. frequency
B. period
C. Wave length
D. phase difference

A. refraction
B. polarization
C. interference
D. diffraction

B. isothermal
C. isobaric
D. isochoric

A. One
B. Two
C. Four time
D. None of these

A. silence zone
B. interference
C. beats
D. resonance

The number of beats produced per second is equal to____________________?

A. the sum of the frequencies of two tuning forks
B. the difference of the frequencies of two tuning forks
C. the ratio of the frequencies of two tuning forks
D. the frequency of either of the two tuning forks

Beats are the results of____________________?

A. diffraction of sound waves
B. constructive and destructive interference
C. polarization
D. destructive interference

A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?

A. 1/4f
B. 1/2f
C. frequency lower than 20 Hz
D. 2f

When the source of sound moves away form a stationary listener then ______________ occurs?

A. an apparent increase in frequency
B. an apparent decrease in frequency
C. an apparent decrease in wavelength
D. no apparent change in frequency

The normal ear is the most sensitive in the frequency range___________________?

A. 20000 to 30000 hertz
B. 10 to 20 hertz
C. 2000 to 4000 hertz
D. 6000 to 8000 hertz

scroll to top