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

Related Mcqs:

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...

The speed of stationary waves in a stretched string are independent of___________________?

A. Number of loops B. Tension in the string C. Point where string is plucked D. both A and C...

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...

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...