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Nainika
21 Apr 2018

A spherical mirror and a thin spherical lens have each a focal length of −15 cm. The mirror and the lens are likely to be

(a) both concave

(b) both convex

(c) the mirror is concave and the lens is convex

(d) the mirror is convex, but the lens is concave

Batesian mimicry

Mullerian mimicry

aggressive mimicry

conscious mimicry

or