Optics Question 391

Question: The aperture of a telescope is made large, because

[DPMT 1999]

Options:

A) To increase the intensity of image

B) To decrease the intensity of image

C) To have greater magnification

D) To have lesser resolution

Show Answer

Answer:

Correct Answer: A

Solution:

For greater aperture of lens, light passing through lens is more and so intensity of image increases.



NCERT Chapter Video Solution

Dual Pane