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Standard XII

Physics

Power and Thin Lenses in Contact

If R 1 and R ...

Question

If R₁ and R₂ are the radii of curvature of a double convex lens, which of the following will have the largest power?

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Solution

The correct option is B

For R₁=R₂= 5 cm

P = 0.2 D

For R₁=R₂= 10 cm

P = 0.1 D

P = 0.05 D

Hence maximum power is obtained when For R₁=R₂= 5 cm

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If R1 and R2 are the radii of curvature of a double convex lens, which of the following will have the largest power?

The correct option is B For R1=R2= 5 cm P = 0.2 D For R1=R2= 10 cm P = 0.1 D P = 0.05 D Hence maximum power is obtained when For R1=R2= 5 cm

If R₁ and R₂ are the radii of curvature of a double convex lens, which of the following will have the largest power?

The correct option is B

For R₁=R₂= 5 cm

P = 0.2 D

For R₁=R₂= 10 cm

P = 0.1 D

P = 0.05 D

Hence maximum power is obtained when For R₁=R₂= 5 cm