Physics, 14.09.2019 08:30 emilylunaa

Asodium atom will absorb light with a wavelength near 589 nm if the light is within 10 mhz of the resonant frequency. the atomic mass of sodium is 23. (i) calculate the number of "yellow" photons of wavelength 2 = 589 nm that must be absorbed to stop a sodium atom initially at room temperature (v-600 m/s). [7 marks] (ii) what is the minimum time needed to cool a sodium atom?

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