Q. If a lens is cut into two pieces perpendicular to the principal axis and only one part is used, the intensity of the image
A) Remains same
B) $\frac{1}{2}$ times
C) 2 times
D) Infinite
Explanation
(a) Since light transmitting area is same, there is no effect on intensity
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.