JEE Mains · Physics · STD 12 - 9. Ray optics and optical instruments
A double convex lens has power \(P\) and same radii of curvature \(R\) of both the surfaces. The radius of curvature of a surface of a plano-convex lens made of the same material with power \(1.5P\) is ......\(R\)
- A \(0.5\)
- B \(2\)
- C \(1.5\)
- D \(0.33\)
Answer & Solution
Correct Answer
(D) \(0.33\)
Step-by-step Solution
Detailed explanation
\(R _{1}= R _{2}= R\) Power \((P)\) Refractive index is assume \(\left(\mu_{\ell}\right)\) \(P =\frac{1}{ f }=\left(\mu_{\ell}-1\right)\left(\frac{2}{ R }\right)\) \(...(i)\)…
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