JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

Understanding +4 | -1

Assertion : The power of a converging lens is positive and that of a diverging lens is negative.

Reason: Because

P=\frac{1}{f}

View answer and explanation

Correct option: A

If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion

Option A (If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion) is correct because the power of a lens is the reciprocal of its focal length, and converging lenses have positive focal lengths while diverging lenses have negative focal lengths.

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