The focal length of a convex lens is and its refractive index is 1.5. If the radius of curvature of one surface is 7.5 , the radius of curvature of the second surface will be |
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a) |
b) |
c) |
d) |

The focal length of a convex lens is and its refractive index is 1.5. If the radius of curvature of one surface is 7.5 , the radius of curvature of the second surface will be |
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a) |
b) |
c) |
d) |

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