Question

difference between concave and convex lens​

Answer 1

Answer:

A concave lens is thinner in the middle and thicker at the edges. A convex lens is thicker in the middle and thinner at the edges. Used in the camera, focus sunlight, overhead projector, projector microscope, simple telescope, magnifying glasses, etc. It is also used for the correction of the problem in long sight.

Explanation:

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Answer 2

Your answer ✅✅

Concave lens:

1) It has both surfaces curving inwards.

2) It is thicker at edges and thinner at middle.

3) It diverges the light coming towards it.

4) Its focal length is negative.

5) It always produces a virtual image.

Convex lens:

1) It has both surfaces curving outwards.

2) It is thicker at middle and thinner at the edges.

3) It converges the light coming towards it.

4) Its focal length is positive.

5) It always produces a real image and forms a virtual image only when the object is between the focus and optical centre.