A metal has a work function of 3.0 eV. What is the threshold frequency of the metal when electrons are just liberated from the metal.(1 eV = 1.6 × 10-19J; h = 6.6 × 10-34Js)
a
4.8 × 10-19Hz
b
9.3 × 10-7Hz
c
4.8 × 1014Hz
d
7.3 × 1014Hz
e
9.3 × 1014Hz
Explanation
Correct Option
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