56. The work function for a certain sample is 2.3 eV. The stopping potential for electrons ejected from the sample by 6.0 × 1014 Hz electromagnetic radiation is (c = 3.00 × 108 m/s):
(A) 0 V
(B) 0.18 V
(C) 0.36 V
(D) 2.0 V
(E) 3.6 V

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統計： A(2), B(47), C(5), D(3), E(1) #2356617

詳解 (共 1 筆)

#4253693
  題目沒給常數h, 不過可以利用 eV...
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