According to the sign convention for lenses, a concave lens has a negative focal length.

True

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False

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Solution

The correct option is A True

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Similar questions

Q. According to the sign conventions, focal length of a concave lens is _____.

Q. According to the sign convention, which of the following is true for focal lengths of convex and concave lenses?

According to the "New Cartesian Sign Convention" for mirrors, what sign has been given to the focal length of : (i) a concave mirror ? (ii) a convex mirror ?

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