A student uses spectacles of number -2 for seeing distant objects. Commonly used lenses for her/his spectacles are

A student uses spectacles of number -2 for seeing distant objects. Commonly used lenses for her/his spectacles are

(A) bi-concave

(B) piano concave

(C) concavo-convex

(D) convexo-concave

Monjur Alahi

8 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct answer is (A) bi-concave

8 views Answered 2023-02-05 15:29

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