Question

频率为v的光子,德布罗意波波长为入=h/p,能量为E,则光的速度为 A.E人/h B.pE C.E/p D.h^2/EP

答案是A和C，请问是怎么算的

Answer 1

由E = hv = h/ T 得 1/T = E /h
入=h/p 两式相乘 C = 入/T = E / p = E人/h