2022 Beijing Question 1 Single-choice Differentiating 2022_北京卷 (物理) 1. 氢原子从某激发态跃迁到基态,则该氢原子( ) A. 放出光子,能量增加B. 放出光子,能量减少C. 吸收光子,能量增加D. 吸收光子,能量减少 Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →