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 :

Question

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) 0 (B) ( P/ 2) (C) (P /4 ) (D) P

Tardigrade Admin · Accepted Answer

Focal length do not change → Power do not change

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 :

0

$\frac{P}{2}$

$\frac{P}{4}$

P

Focal length do not change $\to$ Power do not change

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 :

0

2P​

4P​

P

Focal length do not change → Power do not change

$\frac{P}{2}$

$\frac{P}{4}$

Focal length do not change $\to$ Power do not change