Question

Write the difference between concave and convex lens.

Answer 1

A convex lens is thicker at the centre and thinner at the edges. A concave lens is thicker at the edges and thinner at the centre. Due to the converging rays, it is called a converging lens. Due to the diverging rays, it is called a diverging lens.

Answer 2

Answer:

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CONCAVE LENS:

1) A concave lens is thinner in the middle and thicker at the edges.

2) It is also known as Diverging Lens.

3) Used in glasses, some telescopes, spy holes in the doors, etc. It is also used for the correction of the problem in short sight

CONVEX LENS:

1) A convex lens is thicker in the middle and thinner at the edges.

2) It is also known as Converging Lens.

3) 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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