Ray Optics and Optical Instruments - Result Question 27
27. An equiconvex lens has power $P$. It is cut into two symmetrical halves by a plane containing the principal axis. The power of one part will be,
(a) $P$
(b) 0
(c) $\frac{P}{2}$
(d) $\frac{P}{4}$
[NEET Odisha 2019]
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Answer:
Correct Answer: 27. (a)
Solution:
- (a) When lens is cut in two half then power of one part will be same. i.e., $P$, as focal length remains same.
