why does a converging lens behave like as a burning glass?
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Convex lenses focus parallel light rays from distant sources such as the sun to a single point on the principal axis of the lens. This point is called the principal focus of the convex lens. A source such as the sun is producing enough energy to heat a substance if it is placed at the principal focus point....
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Convex lenses focus parallel light rays from distant sources such as the sun to a single point on the principal axis of the lens. This point is called the principal focus of the convex lens. A source such as the sun is producing enough energy to heat a substance if it is placed at the principal focus point....
I hope it's helpful ☺️☺️✅
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Moreover, refractive index is a relative term meaning one medium is denser/rarer than the other medium is based on the other medium entirely.
Write in comments if your need further explanation regarding mathematical relations.
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