Optics Question 622
Question: 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]
Options:
A) 1 : 1
B) 1 : 2
C) 2 : 1
D) 2 : $ \frac{1}{2} $
Show Answer
Answer:
Correct Answer: A
Solution:
Ratio of focal length of new plano convex lenses is 1 : 1
