[問題]請問一題反射定律(理化)
1.年級：國二
2.科目：理化
3.章節：反射定律
4.題目：有一入射波前與法線夾30度,問入射角和反射角為?
5.想法：這題的答案分別都是30度,但入射角印象中不是90-30=60度嗎?
怎麼答案是30度? 入射波前和入射波不一樣? 我是教文科的老師,
學生問我這題說答案怪怪的,想確認我想的對不對
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