Question

Yash found out f1 and f2 of a symmetric convex lens experimentally then which of the following conclusions is true

Answer 1

Answer:

Answer is a) F1 =f2

Explanation:

Solution Yesh Find Out F1 and F2 of Symmetric Convex Lens Experimentally Then Which Conclusion is True. Concept: Use of Convex Lenses.

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Answer 2

$f_1 = f_2$ focal lengths of both the faces of a symmetric lens are equal.

Explanation:

• For a symmetric convex lens each of the two faces of the lens can be assumed to be taken from same part of a solid glass sphere and of identical size.

• Therefore its focus is also of the same length on both the sides, i.e. two ray passing parallel to the principal axis will converge at a point called focus.

• The distance between the focus and the optical center is called focal length which is equal for both the surfaces of the lens.

∴$f_1 = f_2$

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TOPIC: biconvex lens

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