Ultraviolet light causes sunburns whereas visible light
Ultraviolet light causes sunburns, whereas visible light, even of greater intensity, does not. Why is this so?
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how do the avalanches of photons in a laser beam differ from the hordes of photons emitted by an incandescent
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why do polaroid sunglasses reduce glare whereas non-polarized sunglasses simply cut down the total amount of light
ultraviolet light causes sunburns whereas visible light even of greater intensity does not why is this
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calculate the quantity of heat absorbed by 22g of water that warms from 30c to
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