試卷名稱:115年 - 114 台灣聯合大學系統_碩士班招生考試_電機類:近代物理#137742
年份:115年
科目:研究所、轉學考(插大)-近代物理學
Problem 20
Which of the following statements are CORRECT about energy quanta?
(A) Energy quanta of EM waves also carry momentum.
(B) Energy of crystal vibrations is continuous or discontinuous depending on the crystal temperature T.
(C) Crystal vibrations with high frequencies f>> kBT/ h carry many energy quanta (called phonons).
(D) Crystal vibrations with low frequencies f<< kBT/ h carry many energy quanta.
(E) None of the above.