A.35.3° B.40.9° C.45° D.54.7°
某介質(zhì)對空氣的全反射臨界角是,則當(dāng)光從此介質(zhì)射向空氣時的全偏振角為:()
A.30° B.45° C.57° D.60°
A.0° B.33° C.57° D.69°