Question Detail
Question
According to the Lensmaker's Equation sign conventions mentioned in the document, when are the radii of curvature R₁ and R₂ considered positive?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Page 25 states: 'In the equation above, both sur faces are convex and R₁ and R₂ are considered positive.'
Hint
Review the text on page 25 regarding Lensmaker's Equation sign conventions.