AIIMS 2019 Physics Camera Aperture MCQ Question with Solution

How can we change a camera from F/4 to F/5.6?

A

Increase the aperture to 2 time keeping the focal distance constant.

B

Increase the aperture to $\sqrt{2}$ time keeping the focal distance constant.

C

Increase the aperture to $\frac{1}{2}$ time keeping the focal distance constant.

D

Increase the aperture to $\frac{1}{\sqrt{2}}$ time keeping the focal distance constant.

Option

Detailed explanation coming soon.

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AIIMS 2019 Physics Camera Aperture MCQ Question