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Science CBSE Homework Assignments
Class 10
Light reflection and refraction
Magnification and Power of lens
1.
Lens: Reasoning type
Question:
4
m.
Justify your answer
:
A doctor has prescribed a corrective lens of power +
4.6
\(D\). Find the focal length of the lens. Is the prescribed lens diverging or converging?
The prescribed lens is
diverging
converging
.
Focal length
\(=\)
\(m\)
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