Q. The aperture of a telescope is made large, because

A) To increase the intensity of image
B) To decrease the intensity of image
C) To have greater magnification
D) To have lesser resolution
Explanation

(a) For greater aperture of lens light passing through lens is more and so intensity of image increases

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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