Question

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1. Define light? Give its properties?
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Answer 1

Light is electromagnetic radiation that has properties of waves. ... If a single wavelength is present we say that we have monochromatic light. If all wavelengths of visible light are present, our eyes interpret this as white light. If no wavelengths in the visible range are present, we interpret this as dark.

The three primary properties of light is speed,

reflection, and color. The speed of light is 300,000 Kilometers per second, which is the absolute upper speed limit of anything in the universe. The light particles, or photons, reflect off other particles or masses and continue to travel at the same speed.

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