Two waves meet at a time when one has the instantaneous amplitude A and the other has the instantaneous amplitude
A) A + B.
B) A - B.
C) between A + B and A - B.
D) indeterminate.

Question

Two waves meet at a time when one has the instantaneous amplitude A and the other has the instantaneous amplitude 
A) A + B.
B) A - B.
C) between A + B and A - B.
D) indeterminate.

Quizplus · Accepted Answer

The correct answer is A because the instantaneous amplitude of the resultant wave is the sum of the instantaneous amplitudes of the two waves.

Two Waves Meet at a Time When One Has the Instantaneous