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kenika
Jan 9, 2011, 04:42 AM
The energy required to remove an electron from sodium is 2.3eV.does sodium show photoelectric effect for yellow?what is wavelength for photoelectric emission from sodium?

Unknown008
Jan 9, 2011, 06:39 AM
Use the formula E = hf

Where E is the energy in joules, h Planck's constant and f the frequency of the emitted light. Do you know the frequency of yellow light? You'll need to know this to answer the question.