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試卷名稱：114年 - 114 國立中興大學_學士後醫學系招生考試_學士後醫學系：物理#126484
年份：114年
科目：學士後西醫-物理
49.When a photon collides with a free electron at rest and the direction of motion of the photon changes,
(A) the magnitude of the momentum of the photon does not change.
(B) the momentum of the electron does not change.
(C) the kinetic energy of the electron does not change.
(D) the total energy of the photon does not change.
(E) both the magnitude of the momentum and the total energy of the photon decrease.
