NCERT In-text 9.2 — Q2 - Light — Reflection and Refraction
Question: The radius of curvature of a concave mirror is 20 cm. What is its focal length'
Answer: The relationship between the focal length (f) and the radius of curvature (R) of a spherical mirror is given by the formula f = R/2. In this problem, we are given that the radius of curvature of th...
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