Physics

Problem

The interference pattern is obtained with two coherent sources of intensity ratio 4 : 1. And the ratio

\frac{I_{\max} + I_{\min}}{I_{\max} - I_{\min}}

\frac{5}{x}

. Then, the value of

x

will be equal to: (a) 3 (b) 4 (c) 2 (d) 1