An object kept at a distance of 60cm from a lens forms a virtual image at a distance of 20
cm on same side of lens. Calculate focal length of the lens and identify nature of lens used.
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3
Answer:
- 30 cm. The lens is a concave lens. It is diverging in nature.
Explanation:
The above question can be solved by using the lens formula.
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Answered by
1
Answer:
it is a converging lens and cancave lens
Explanation:
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