Optics Question 671

Question: If aperture of lens is halved then image will be

[AFMC 2003]

Options:

A) No effect on size

B) Intensity of image decreases

C) Both (a) and (b)

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

Since intensity µ (Aperature)2, so intensity of image will decrease but no change in the size occurs.



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