24.What minimum frequency of light is needed to eject electrons from a metal whose work function is 4.3 )
(A) 
(B)
(C)
(D)  
(E)

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統計: A(2), B(0), C(0), D(0), E(22) #2308259

詳解 (共 1 筆)

#4641698
 hf >= 4.3*10-19 ...
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