CBSE Class 12-science Answered
Hi,ma'am I wanted to know that "what is the power of lens?"
Asked by Navin Patel | 14 Sep, 2012, 07:58: PM
Expert Answer
Power of lens is an expression which is used to denote the converging and diverging power of that lens.
It is defined as 1/f
where f is the focal length of lens in m
Mathematically you can consider it as the tangent of the angle of conergence or divergence of a ray of light parallel to the principle axis falling 1 m away from the center.
Answered by | 15 Sep, 2012, 02:13: PM
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