Question

Considering the correlation between the words of the first pair, pair
the third word accordingly with proper answer:
Convex lens : Positive power of the lens :: Concave lens:_______​

Answer 1

Explanation:

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Answer 2

The answer is 'Negative power of the lens.'

• The convex lens converges the light at a certain point on its principal axis. It has a positive focal length.

• The concave lens diverges the ray of light. It has a negative focal length.

• The concave lens is present in the spectacles having a negative power. People with nearsightedness use a concave lens.