设空气到水面入射角为i1,反射角为t1,水面与玻璃界面入射角为i2,水中折射率n1=1.33,玻璃折射率n2=1.5.
tani1=n1/n0=1.33,i1=53.06,tani2=n2/n1,i2=48.44,由折射定律n0sini1=n1sint1,t1=36.94,所求角度a=i2-t1=48.44-36.94=11.5
设空气到水面入射角为i1,反射角为t1,水面与玻璃界面入射角为i2,水中折射率n1=1.33,玻璃折射率n2=1.5.
tani1=n1/n0=1.33,i1=53.06,tani2=n2/n1,i2=48.44,由折射定律n0sini1=n1sint1,t1=36.94,所求角度a=i2-t1=48.44-36.94=11.5