power of a lens is + 5 diopters . what is the nature and focal length of this lens? at what distance from this lens should an object be placed so as to get its inverted image of the same size?
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Answered by
2
Answer:
The lens a convex
Explanation:
the lens should be kept at 20 cm that is focal length
The nature is diverging
Answered by
1
Answer:
focal length is 20cm
to be placed as 2f1 = at 40cm
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