WAEC Physics 2021 Theory — Question 29
Question 29 of 35 from the West African Examinations Council (WAEC) Physics 2021 Theory paper, with the correct answer and a full explanation.
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12(c)(i). Explain the statement: 'the work function of sodium is 2.0 eV'.
Model answer
It means the minimum energy required to remove an electron from the surface of sodium metal is 2.0 eV.
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