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Physics CBSE Live product
Class 10 (2025-26)
Light reflection and refraction
Annual Revision IV - light
4.
Relation between u, v and R
Question:
2
m.
Select the correct option
Identify the correct relation between the focal length (f) and the radius of curvature ( R).
\(\frac{1}{f}\ =\ \frac{-1}{R}\)
\(\frac{1}{R}\ =\ \frac{1}{f}\)
\(2R\ =\ f\)
\(R\ =\ 2f\)
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