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ƒ‚P‚QŒŽ‚P‚W“úi–؁j„

(1) 5.09~1014 (Hz)

(2) 2.0~108 (m/s)

(3) R = {(1.5-1)/(1.5+1)}2ŕ0.04

(4) R = {(2.42-1)/(2.42+1)}2ŕ0.17

(5) sinƒĆc = n12 = n2/n1 = 1/1.5ŕ0.67

@ƒĆcŕ41.8‹