In solar furnaces, concave mirrors are used for converging the sun's rays. Can we use a convex lens for converging the rays?

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Solution

Yes, a convex lens can also be used as it converges a parallel beam of light.

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Similar questions

Q. As in the solar furnaces concave mirror is used for converting the sun's rays. Can we use convex lens for converging the days?

Convex mirrors can be used for focusing sun rays.

In olden days, the convex lens was used to ignite by allowing the sun rays to be focused on the object to be ignited. The lens converges the heat rays just like converging the light rays. What kind of image is formed by the convex lens?

Q. (a) An object is placed 10 cm from a lens of focal length 5 cm. Draw the ray diagrams to show the formation of image if the lens is (i) converging, and (ii) diverging.
(b) State one practical use each of convex mirror, concave mirror, convex lens and concave lens.

Why concave lens diverge and convex lens converge light rays?

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