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3 years ago

Concave lens has negative focal length why

2 answers:

7 0

For focal length, f in lens is always taken as negative for concave and positive for convex. ... It is taken as negative in Concave lens since image is formed in -X side of the Cartesian. In Concave mirror V is taken as positive and negative for convex mirror.

trasher [3.6K]3 years ago

5 0

If it does do it then yeah it will for it

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3 years ago

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2 years ago

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zzz [600]

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3 years ago

Concave lens has negative focal length why​

Concave lens has negative focal length why