Question

The ratio of intensities of two waves that produce interference pattern is 16:1. find out the ratio of maximum to minimum intensities in the fringe pattern

Answer 1

I max = ( i1^½ + i2^½)² =(16^½ + 1^½)²
_____= (4 +1)² =5²
I min = (i1^½ - i2^½)² = (16^½ - 1^½)²
____= (4-1)² = 3²
Ratio of I max to I min = 25 : 9 __(ANSWER) __
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