挑战习题
1/5单选题
难度:

1.当光从一种介质射入另一种介质时,下列说法中正确的是()
A 折射角大于入射角
B 折射角小于入射角
C 折射角等于入射角
D 以上情况都有可能
提示1:
5Yik5pat5YWl5bCE6KeS5ZKM5oqY5bCE6KeS55qE5aSn5bCP77yM6KaB5Yik5pat5LuL6LSo5pe25YWJ55aP5LuL6LSo6L+Y5piv5YWJ5a+G5LuL6LSo44CC
正确答案:RA==
5b2T5YWJ5LuO56m65rCU5pac5bCE5YWl5rC05oiW5YW25LuW5LuL6LSo5Lit5pe277yM5oqY5bCE6KeS5bCP5LqO5YWl5bCE6KeS77yb5b2T5YWJ5LuO5rC05oiW5YW25LuW5LuL6LSo5pac5bCE5YWl56m65rCU5Lit5pe277yM5oqY5bCE6KeS5aSn5LqO5YWl5bCE6KeS77yb5b2T5YWJ5Z6C55u05bCE5Yiw5Lik56eN5LuL6LSo6KGo6Z2i5pe277yM5oqY5bCE6KeS562J5LqO5YWl5bCE6KeS77yM6YO9562J5LqOMOW6puOAgg==