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Science CBSE Homework Assignments
Class 10
Light reflection and refraction
Magnification and Power of lens
1.
Power of lens
Question:
3
m.
Define \(1\ dioptre\) of power of a lens.
Dioptre is the SI unit of
radius of curvature
focal length
power of lens
and it is denoted by the letter
F
P
D
C
.
\(1\ dioptre\) can be defined as the
radius of curvature
focal length
power of lens
of
radius of curvature
focal length
power of lens
\(1\ metre\).
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