A. B. C. D.
A.35.3° B.40.9° C.45° D.54.7°
某介質(zhì)對(duì)空氣的全反射臨界角是,則當(dāng)光從此介質(zhì)射向空氣時(shí)的全偏振角為:()
A.30° B.45° C.57° D.60°