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Physics
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 :
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Q. 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 :
NEET
NEET 2019
Ray Optics and Optical Instruments
A
0
10%
B
$\frac{ P}{ 2}$
30%
C
$\frac{P }{4 }$
15%
D
P
46%
Solution:
Focal length do not change $\to$ Power do not change