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
5.1k views
in Physics by (95.2k points)

A ray of light in water (index n1) is incident on its surface (with air) at the critical angle for total internal reflection. Some oil (index n2) is now floated on the water. The angle between the ray in the oil and the normal is: 

A. sin−1(1.00) 

B. sin−1(1/n1

C. sin−1(1/n2

D. sin−1(n1/n2

E. sin−1(n2/n1)

1 Answer

+1 vote
by (78.5k points)
selected by
 
Best answer

C. sin−1(1/n2

by (10 points)
could you explain it, please?
by (5.0k points)
By the law of critical angle theorem it is explained and  vegetable oil is less dense it floats on top of water.

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.

Categories

...