Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
3.7k views
in Optics by (48.1k points)
closed by

For light incident from air onto a slab of refractive index 2. Maximum possible angle of refraction is,

(a) 30°

(b) 45° 

(c) 60° 

(d) 90°

1 Answer

+1 vote
by (48.5k points)
selected by
 
Best answer

(a) 30° 

From Snell’s law, µ = \(\frac{sin i}{sin r}\) 

Now consider an angle of incident is 90°

\(\frac{sin 90°}{2}\)

sin r = sin-1 (0.5) 

r = 30°

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...