

MCQOPTIONS
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1. |
In an interference experiment the ratio of amplitudes of coherent waves is \(\frac{{{a}_{1}}}{{{a}_{2}}}=\frac{1}{3}\). The ratio of maximum and minimum intensities of fringes will be: |
A. | 2 |
B. | 18 |
C. | 4 |
D. | 9 |
Answer» D. 9 | |