Dependence of disturbances due to two waves on time is shown in the figure. The ratio of their intensities $I_1 / I_2$ will be
Dependence of disturbances due to two waves on time is shown in the figure. The ratio of their intensities $I_1 / I_2$ will be
- A
$1 : 1$
- B
$1 : 2$
- C
$4 : 1$
- D
$16 : 1$
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