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.