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7 October, 05:52

Light from a lamp is shining on a surface. how can you increase the intensity of the light on the surface?

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  1. 7 October, 06:04
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    The intensity of a light in a surface follows the inverse square law formula which can be mathematically expressed as,

    I = k/d²

    where I is intensity, d is distance, and k is the proportionality constant. For us to increase the intensity, we should lower the distance from the source to the surface.
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