The 629.9nm line of neon has an Einstein A coefficient of 1.7×10^7 s^-1.find the temperature at which the natural and Doppler line width will be the same in a low pressure lamp.
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The 629.9nm line of neon has an Einstein A coefficient of 1.7×10^7 s^-1.find the temperature at which the natural and Doppler line width will be the same in a low pressure lamp.
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