HC Verma - Concepts of Physics Part 1

Book: HC Verma - Concepts of Physics Part 1

Chapter: 18. Geometrical Optics

Subject: Physics - Class 11th

Q. No. 8 of Objective I

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Four modifications are suggested in the lens formula to include the effect of the thickness t of the lens. Which one is likely to be correct?

We know the case of shift in the image due to thick slab. Remembering the cases,


As, t and v are small, it is ignored

SO, u’=u+t and v’=v-t. From, here we can easily tell about the answer.


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