Question

what is the focal length of covex lens.​

Answer 1

Answer:

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Yes

Explanation:

Positive

Answer 2

Explanation:

Focal length is distance over which the parallel rays either converge or diverge. For convex lens the focal length is positive. On the other hand, the focal length of concave lens is negative. Thus, for convex lens, the focal length is a distance over which all the parallel rays will converge.