Question

The Sun is so far from Earth that rays of sunlight are effectively parallel when they reach Earth’s surface. Sunlight reflected from a mirror can be focused onto a pot of water, raising its temperature enough to pasteurize water, or cook food. Which kind of spherical mirror could be used for this purpose?

Answer 1

If you use a mirror to concentrate the sunlight onto the pot, the mirror has to be concave.

If you use a lens to concentrate the sunlight onto the pot, the lens has to be convex.

The other kinds . . . a convex mirror and a concave lens . . . spread the light out wider, instead of concentrating it into a smaller spot.

Answer 2

Sunlight reflected from a mirror can be focused onto a pot of water, raising its temperature enough to pasteurize water, or cook food concave mirror or Convex lens should be used.

What are spherical mirrors?

• A spherical mirror is a mirror that has the shape of a piece cut out of a spherical surface.

• There are two types of spherical mirrors:

             concave and convex mirror.

A Conex mirror is a diverging mirror while a concave mirror is a converging mirror.

Learn more about Spherical mirrors here:-https://brainly.com/question/16762350

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