Assuming n as the frequency of radiation, n0 as the threshold frequenc – McqOptions

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1.	Assuming n as the frequency of radiation, n0 as the threshold frequency and k as a constant, the energy of the photo-electrons (E) is related as
A.	E = k (n - n0)
B.	E = k (n + n0)
C.	E = k (n x n0)
D.	E = k (n + n0)/2
Answer» B. E = k (n + n0)

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