Home Physics Ray Optics NEET Previous Year Question A beam of light consisting of red, green and…
Physics Ray Optics NEET Previous Year Question MCQ (Single Correct)

A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths are 1.39, 1.44 and 1.47, respectively.

The prism will:

A
separate all the three colours from one another
B
not separate the three colours at all
C
separate the red colour part from the green and blue colours
D
separate the blue coloure part from the red and green colours

Share this question

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

Text Solution

Verified by Experts
The correct answer is:
C

For TIR i > i c so sin i > sin i c

sin 45 0 > ⇒ μ > 1.414

Since μ of green and voilet are greater than 1.414 so they will total internal refrected. But red colour will be vetracted

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.