Which type of mirror has : (a) positive focal length? (b) negative focal length?

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10/08/2021 1:59 pm

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Deepak Rock

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Which type of mirror has :

(a) positive focal length?

(b) negative focal length?

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10/08/2021 2:00 pm

Shivani siva

(@shivani-siva)

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(a) Convex mirror.

(b) Concave mirror.

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