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Grade: 12 
        What is 1242ev-nm? How it can use to find threshold wavelength??
3 years ago

Answers : (1)

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Vikas TU
10041 Points 
							
This the standard eV has been defined to calculate the Energy from Planc's eqn. directly from the given thershold wavelength in Angstorm.
Hence the formulae would be:
E = 1242/(wavelength in Angstorm) eV.
3 years ago
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