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Multiple Choice
A metal with a threshold frequency of 2.15 x 1015 s-1 emits an electron with a velocity of 7.03 x 106 m/s when radiation of 1.88 x 1015 s-1 strikes the metal’s surface. Calculate the mass of the electron.
A
6.97 x 10-22 kg
B
4.98 x 10-21 kg
C
2.96 x 10-21 kg
D
8.11 x 10-22 kg
1:26m
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