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//Example 22_4
clc();
clear;
//To find the angle at which the light emerge in to the air
theta=37 //Units in degrees
n1=1.33 //Units in constant
n2=1 //Units in constant
thetaa=asin((n1*sin(theta*%pi/180))/n2)*180/%pi //units in degrees
printf("The angle at which the light emerges in air is theta=%d degrees",thetaa)
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