Define what is the einstein a coefficient for emission

Reference no: EM13686520

a) Compute the energy in joules per quantum, joules per mole and electron volts of photons of wavelength 122 nm.

b) The radioactive lifetime of a hydrogen atom in its first excited level (2p) is 1.6x10-9 s. Define what is the Einstein a coefficient for spontaneous emission?

c) Explain what is the line width in cm-1 of the emission line from the 2p level of H atom?

Reference no: EM13686520

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