Question

A light beam passing through three mediums P. Q and R is given, by observing the figure, find out the correct statement related to the optical density of the mediums.

• A. P>Q>R
• B. R>Q>P
• C. Q>P>R
• D. R>P>Q

Answer 1

Answer:

C. Q>P>R

Based on the figure, the correct statement related to the optical density of the mediums is:

Q > P > R

Here's why:

• The light beam bends towards the normal when entering medium Q from medium P, indicating that medium Q has a higher optical density than medium P.

• The light beam bends away from the normal when entering medium R from medium Q, indicating that medium R has a lower optical density than medium Q.

So, the correct order of optical density is Q > P > R.