The periodic alternation of sound between maximum and minimum loudness are called___________________?

Related Mcqs:

The velocity of sound in air would become double than its velocity at 0°C at temperature ?

A. 313°C B. 586°C C. 819°C D. 1172°C...

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...

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...

Beats are the results of____________________?

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

Doppler effect applies to____________________?

A. sound wave only B. light wave only C. both sound and light waves D. neither sound nor light wave...