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Light Reflection and Refraction
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16/08/2021 1:59 pm
Topic starter
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed :
(a) at 2F1,
(b) between F1and the optical centre O of the lens.
Which of the above two cases shows the use of convex lens as a magnifying glass? Give reasons for your choice.
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16/08/2021 2:00 pm
(a) at 2F1
(b) between F1and the optical centre O of the lens.
The case when object is between F1 and the optical centre O of the lens shows the use of convex lens as a magnifying glass. This is because here the image formed is erect and magnified.