When two waves of almost equal frequencies $v_1$ and $v_2$ reach at a point simultaneously, the time interval between successive maxima is
When two waves of almost equal frequencies $v_1$ and $v_2$ reach at a point simultaneously, the time interval between successive maxima is
- A
$v_1 + v_2$
- B
$v_1 - v_2$
- C
$\frac{1}{{{v_1} + {v_2}}}$
- D
$\frac{1}{{{v_1} - {v_2}}}$
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