Join Sarthaks eConnect Today - Largest Online Education Community!
0 votes
asked ago in Physics by (9.1k points)

It the focal length of objective lens is increased then magnifying power of : 

(A) microscope will increase but that of telescope decrease 

(B) microscope and telescope both will increase 

(C) microscope and telescope both will decrease 

(D) microscope will decrease but that of telescope will increase. 

1 Answer

+1 vote
answered ago by (10.6k points)
selected ago by
Best answer

Correct option: (D) microscope will decrease but that of telescope will increase.


M.P. of a microscope = (L / fo) (D / fe)

if f↑ ⇒ M.P. of the microscope will decrease

M.P. of telescope =  fo / f

if f↑ ⇒ M/O. of telescope will increase.

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.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon