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Byju's Answer
Standard X
Physics
Lens Formula
Two convex le...
Question
Two convex lenses A and B of the same aperture have thickness 1 cm and 1.5 cm respectively. Which will have a greater focal length?
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Solution
The thinner lens will have less curvature, so more focal length, i.e.,
f
A
>
f
B
.
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(a) For which position of an object, a real, diminished image is formed by a convex lens?
(b) Two convex lenses A and B have focal lengths of 2.5 cm and 12.0 cm, respectively. Which lens has a greater power?
(c) Describe with the help of a labelled ray-diagram, the formation of image when an object is placed in the front of a convex lens between focus and optical centre. State any two characteristics of the image formed.