The work function of iron metal is 4.50 eV. What is the maximum speed of the...

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Answer 1

Answer #1

KE : hc - ke = - 4. seu 1240 eumm 157 nm £mvh = 3.4ev = 3.48 1.68 1079 5 2 73.4 x 1.6 x 10-15 9.1 x 10-31 va | 213.4 X16X 104

Answer 2

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