The mirror is responsible for concentrating sunlight. The bright spot on the paper is the image of the Sun formed at the focus of the concave mirror.
What is responsible for concentrating sunlight to form the bright spot on the paper?
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The mirror is responsible for concentrating sunlight. The bright spot on the paper is the image of the Sun formed at the focus of the concave mirror.
The concentration of sunlight to form a bright spot on the paper is achieved through the use of a concave mirror. When sunlight falls onto the concave mirror, the mirror converges the incoming parallel rays to a specific point known as the focal point or focus. The bright spot on the paper is essentially the image of the Sun formed at this focal point.
The concave mirror is designed in such a way that it brings the sunlight to a sharp focus, creating an intense and concentrated spot of light. This concentration of sunlight at a single point generates heat, and if the intensity is high enough, it can lead to the ignition or burning of the paper at that focused spot.