k1=2 k2=3 sina1=k1*L sina2=k2*L sina1/sina2=k1/k2 sina1=2*0,407/3=0,2713 a1=arcsin(0,2713)=16 градусов.
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k1=2 k2=3 sina1=k1*L sina2=k2*L sina1/sina2=k1/k2 sina1=2*0,407/3=0,2713 a1=arcsin(0,2713)=16 градусов.