Physics, 02.12.2021 23:50, alisucaalisuca

When is the photoelectric effect observed? A. When light acts as a wave
B. When an electric current results from light shining on a surface
O C. Any time an electric current is produced
O D. When an electric current causes light to be produced

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When is the photoelectric effect observed? A. When light acts as a wave
B. When an electric...