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
3.0k views
in Physics by (83.6k points)

An old person is unable to see clearly nearby objects as well as distant object. To correct the vision, what kind of lens will he require? 

(A) Concave lens 

(B) Bifocal lens whose upper portion is concave lens and lower portion is convex lens 

(C) Convex lens 

(D) Bifocal lens whose upper portion is convex lens and lower portion is concave lens

1 Answer

+1 vote
by (66.9k points)
selected by
 
Best answer

Correct option (B) Bifocal lens whose upper portion is concave lens and lower portion is convex lens   

Explanation:

The upper portion (concave lens) facilitates distant vision and the lower portion (convex lens) facilitates near vision.

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

...