Search any question & find its solution
Question:
Answered & Verified by Expert
A ray of light is incident at an angle ' $\mathrm{i}$ ' on one face of prism of small angle 'A' and emerges normally from the other surface. ' $\mu$ ' is the refractive index of the material of the prism. The angle of incidence is
Options:
Solution:
2056 Upvotes
Verified Answer
The correct answer is:
$A \mu$
For small angled prism $\delta_{m}=(\mu-1) A$
Again $\quad i+e=A+\delta_{m}=\mu A-A$
Here $\quad e=0 \quad \therefore i=A+\delta_{m}=A+\mu A-A=\mu A$
Again $\quad i+e=A+\delta_{m}=\mu A-A$
Here $\quad e=0 \quad \therefore i=A+\delta_{m}=A+\mu A-A=\mu A$
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.