Question

Two waves have their amplitudes in the ratio 1 : 9. The maximum and minimum intensities when they interfere are in the ratio
(a) $\frac{25}{16}$
(b) $\frac{16}{26}$
(c) $\frac{1}{9}$
(d) $\frac{9}{1}$

Answer 1

B is correct answer i think

Answer 2

answer is b !!!!!!!!!!!!!!