Optics Question 642

Question: If a lens is cut into two pieces perpendicular to the principal axis and only one part is used, the intensity of the image

[CPMT 1996]

Options:

A) Remains same

B) $ \frac{1}{2} $ times

C) 2 times

D) Infinite

Show Answer

Answer:

Correct Answer: A

Solution:

Since light transmitting area is same, there is no effect on intensity.



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