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The radius of curvature of the convex face of a planoconvex lens is 15 cm and the refractive index of the material is 1.4.  Then the power of the lens in diopter is

a)

1.6

b)

1.66

c)

2.6

d)

2.66



Question ID - 152609 | SaraNextGen Top Answer

The radius of curvature of the convex face of a planoconvex lens is 15 cm and the refractive index of the material is 1.4.  Then the power of the lens in diopter is

a)

1.6

b)

1.66

c)

2.6

d)

2.66

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

For planoconvex lens

Therefore, power of the lens in diopter

127 votes


127