1.

Two waves have their amplitudes in the ratio 1 : 9. The maximum and minimum intensities when they interfere are in the ratio                                                             [KCET 2002]

A. \[\frac{25}{16}\]
B. \[\frac{16}{26}\]
C. \[\frac{1}{9}\]
D. \[\frac{9}{1}\]
Answer» B. \[\frac{16}{26}\]


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