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“Beats” in sound refer to:
A. interference of two waves of the same frequency
B. combination of two waves of slightly different frequency
C. reversal of phase of reflected wave relative to incident wave
D. two media having slightly different sound velocities
E. effect of relative motion of source and observer
“Beats” in sound refer to:
A. interference of two waves of the same frequency
B. combination of two waves of slightly different frequency
C. reversal of phase of reflected wave relative to incident wave
D. two media having slightly different sound velocities
E. effect of relative motion of source and observer
B. combination of two waves of slightly different frequency