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
64 views
in Physics by (91.4k points)
closed by
image
A diverging beam of light from a point source S having devergence angle `alpha`, falls symmetrically on a glass slab as shown. The angles of incidence of the two extreme rays are equal. If the thickness of the glass slab is t and the refractive index n, then the divergence angle of the emergent beam is
A. zero
B. `alpha`
C. `sin^(-1)(1//n)`
D. `2 sin^(-1)(1//n)`

1 Answer

0 votes
by (91.3k points)
selected by
 
Best answer
Correct Answer - B
Diverging angle will remain unchanged because in case of glass slab every emergent ray is parallel to the incident ray . However , the rays are displaced slightly towards outer side .
image
(In the figure `OA||BC "and" OD||EF`)

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

...