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 will be ____________.

Options

• same

• `1/2` times

• 2 times

• infinite

Answer 1

If a lens is cut into two pieces perpendicular to the principal axis and only one part is used, the intensity of the image will be same.

Explanation:

There is no effect on intensity because the light transmitting area is the same.