Question

A parallel beam of light of intensity ${I_0}$ is incident on a glass plate, $25\% $ of light is reflected by upper surface and $50\% $ of light is reflected from lower surface. The ratio of maximum to minimum intensity in interference region of reflected rays is

Accepted Answer

${\left( {\frac{{\frac{1}{2} + \sqrt {\frac{3}{8}} }}{{\frac{1}{2} - \sqrt {\frac{3}{8}} }}} \right)^2}$

Answer

${\left( {\frac{{\frac{1}{4} + \sqrt {\frac{3}{8}} }}{{\frac{1}{2} - \sqrt {\frac{3}{8}} }}} \right)^2}$

Answer

$\frac{5}{8}$

Answer

$\frac{8}{5}$

NEET UG PHYSICS MCQ: WAVE OPTICS

More Questions from WAVE OPTICS