Question

What is the difference between concave and convex lens ​

Answer 1

Explanation:

The major difference between concave and convex lenses lies in the fact that concave lenses are thicker at the edges and convex lenses are thicker in the middle. ... Convex lenses round outward and cause light rays to converge.

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Answer 2

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⚫ Convex lens has a thick middle part and thinner ends whereas in concave lens has a thin middle part and thicker ends .

⚫ In convex lens after refraction, light rays meet at one point whereas in concave lens after refraction, light rays move away from one another.

⚫ The image formed in convex lens can be real,virtual enlarged or diminished base upon the position of object whereas the image formed in concave lens is always virtual and diminished .

⚫In convex lens focal length is positive whereas in concave lens focal length is negative.

⚫Convex lens is used to correct hyperopia (farsightedness) whereas concave lens is used to correct myopia (nearsightedness)

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