Question

Give reason why :-

(a) We shouldn’t look at the Sun through a convex lens?​

Answer 1

Answer:

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Explanation:

A convex lens can focus the sun light to a point to such an intensity which can burn paper, wood, plastic etc. This intense light can easily damage and distort our eye lens. So, it is dangerous to look at the sun through a convex lens.

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Answer 2

Answer:

Convex lenses are thicker at the middle. Rays of light that pass through the lens are brought closer together (they converge). A convex lens is a converging lens. When parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus. That's why we shouldn’t look at the Sun through a convex lens...