An equiconvex lens of glass of focal length 0.1 metre is cut along a p – McqOptions

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1.	An equiconvex lens of glass of focal length 0.1 metre is cut along a plane perpendicular to principle axis into two equal parts. The ratio of focal length of new lenses formed is [MP PET 1999; DPMT 2000]
A.	1 : 1
B.	1 : 2
C.	2 : 1
D.	2 :\[\frac{1}{2}\]
Answer» B. 1 : 2

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