For a spherical surface of radius of curvature R- seperating two media of refractive indices - 1 and - 2- the two principal focal lengths are f 1 and f 2 respectively- Which one of the following relations is correct -

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Standard XII

Physics

Huygens' Principle

For a spheric...

Question

For a spherical surface of radius of curvature R, seperating two media of refractive indices $μ 1 a n d μ 2,$ the two principal focal lengths are $f_{1} a n d f_{2}$ respectively. Which one of the following relations is correct ?

f_{1} = f_{2}

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f_{1} / μ_{2} = f_{2} / μ_{1}

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f_{1} / μ_{2} = {- f}_{2} / μ_{1}

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f_{1} / μ_{1} = f_{2} / μ_{2}

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Solution

The correct option is B $f_{1} / μ_{2} = f_{2} / μ_{1}$
Option B is correct

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For a spherical surface of radius of curvature R, seperating two media of refractive indices μ1andμ2, the two principal focal lengths are f1andf2 respectively. Which one of the following relations is correct ?

The correct option is B f1/μ2=f2/μ1Option B is correct

For a spherical surface of radius of curvature R, seperating two media of refractive indices $μ 1 a n d μ 2,$ the two principal focal lengths are $f_{1} a n d f_{2}$ respectively. Which one of the following relations is correct ?

The correct option is B $f_{1} / μ_{2} = f_{2} / μ_{1}$
Option B is correct