Calculate the value of one Einstein of radiation with wavelength of 242 NM?
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Explanation:
Electromagnetic radiation of wavelength 242 nm is just sufficient to ionise the sodium atom. Calculate the ionisation energy of sodium in kJ ${{mol}^{-1}}$.
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Answer:
One Einstein of radiation is equal to the amount of energy present in one mole of photons
Explanation:
1 Einstein of radiation (1E)= 1 mole* Na*h*f
where
Na represents Avogadro constant, h represents planck constant and f represents frequency
Frequency is the inverse of wavelength
Hence frequency f = 1/wavelength
f = 1/(242 * 10^-9) = (10^7)/2.42
Substituting the values in equation for Einstein of radiation,
1E = 1*(6.022*10^23)*(6.626*10^-35)*(10^7)/2.42
Hence,the value of Einstein of radiation is given by 1E = 1.648*10^-11
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