Question

two differences between concave and convex lens

Answer 1

⇒A concave lens is thinner in the middle and thicker at edge

⇒⇒a convex lens is thinker in middle and thinner at edge

⇒concave lens Used in Glasses, some telescopes, spy holes in doors, etc. It is also used for the correction of problem in short sight

⇒⇒convex lens are used in camera, focus sunlight, overhead projector, projector microscope, simple telescope, magnifying glasses, etc. It is also used for the correction of problem in long sight.

Answer 2

CONCAVE:

1) Concave lens curves inward and is thicker at the edges than in the middle.

2) The rays of light parallel to the principal axis diverge or go away from each other after refraction. Thus, they are also called diverging lens.

CONVEX:

1) A convex lens curves outwards and is thicker in the middle than at the edges.

2) The rays of light parallel to the principal axis converge or meet at a point after refraction. This, they are also called converging lens.

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