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2.47    Neon gas is generally used in the sign boards. If it emits strongly at 616 nm, calculate (c) energy of quantum

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The energy of quantum will be:

E = h\nu = h\frac{hc}{\lambda}

= \frac{(6.626\times10^{-34}Js)\times(3.0\times10^8m/s)}{616\times10^{-9}m} = 32.27\times10^{-20}J

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Divya Prakash Singh

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