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【简答题】
光具有波粒二象性,光电效应表现了光的粒子性。光由光子构成,光子的能量 E = hν ,其中h为克常数 h = 6.63×10^(-34) J·s,ν为光的频率。已知有三种激光,红色、绿色、蓝色,波长分别为650、532、473 nm。计算三种激光光子的能量,分别用1个光子和1 mol 光子的能量表示。光的速度 c = 3.0x10^(8) m/s,1 mol = 6.02x10^(23)。
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