The threshold or cut-off frequency for sodium is 440x10 14
The threshold or cut-off frequency for sodium is 4,40x10 14 hz. It is subjected to radiation of frequency 9.00x10 14 hz. Calculate the wave length of the electrons ejected from the surface?
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the threshold or cut-off frequency for sodium is 440x10 14 hz it is subjected to radiation of frequency 900x10 14 hz
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