In this question, a statement of assertion 
is followed by a statement of reason 
. Mark the correct choice as:
A thin air film is formed by putting the convex surface of a plano-convex lens over a plane glass plate. With monochromatic light, this film gives an interference pattern due to light reflected from the top (convex) surface and the bottom (glass plate) surface of the film.
Assertion: When light reflects from the air-glass plate interface, the reflected wave suffers a phase change of 
.
Reason: The center of the interference pattern is dark.
Text Solution
Verified by ExpertsB
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems