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1 .在光电效应实验中 ,下列哪种办法可以使光电流增大 ( ) .(Ａ)增大入射光的频率(Ｂ)增大入射光的强度(Ｃ)增大照射时间(Ｄ)以上办法都可以使电流增大2 .玻尔理论 (原子模型 )的提出 ,是在研究哪个物理事实后得出的 ?(Ａ)光电效应现象(Ｂ)α粒子散射实验(Ｃ)原子发光与经
1. In the photoelectric effect experiment, which of the following methods can increase the photocurrent () (A) Increase the frequency of incident light (B) Increase the intensity of incident light (C) Increase the irradiation time (D) or more The method can make the current increase 2. Bohr theory (atomic model) is proposed after studying which physical facts? (A) photoelectric effect phenomenon (B) α particle scattering experiment (C) atomic emission and