Home Physics Wave Optics Wave Nature and Interference of Light What is the minimum thickness of soap film n…
Physics Wave Optics Wave Nature and Interference of Light MCQ (Single Correct)

What is the minimum thickness of soap film needed for constructive interference in reflected light, if the light incident on the film is 750nm? Assume that the refractive index for the film is :

A
282 nm
B
70.5 nm
C
141 nm
D
387 nm

Share this question

For Instagram sharing, use “Apps” on mobile or copy the link.

Text Solution

Verified by Experts
The correct answer is:
C

: Here,

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.

Student Reviews

What students say about this solution

No reviews yet. Be the first to write a review.

Similar Questions

Explore conceptually related problems

CG
CGP Question Assistant Question Bank + AI Help
Hi! Type your question or upload one screenshot. First I will search related questions from CGP Edu Question Bank. If none match, type YES and I will solve it with AI.
Upload only one screenshot at a time. Flow: Question Bank first → If not matched, type YES for AI solution.