Q. If the focal length of the objective lens is increased then

A) Magnifying power of microscope will increase but that of telescope will decrease
B) Magnifying power of microscope and telescope both will increase
C) Magnifying power of microscope and telescope both will decrease
D) Magnifying power of microscope will decrease but that of telescope will increase
Explanation

(d) A microscope consists of lens of small focal lengths. A telescope consists of objective lens of large focal length

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.