Question

7. State two differences between a convex
and a concave lens.
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Answer 1

Answer:

1) Convex lens is thicker in the middle while concave lens is thinner in the middle. 2) A convex lens converges the light ray falling on it, while a concave lens diverges the light ray falling on it.

Explanation:

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Answer 2

Answer:

1) Convex lens has positive focal length while concave lens has negative focal length.

2) Concave lens is called as divererging lens while convex lens is called converging lens

Explanation:

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