1321 
The angle of reflection ! is an increasing montonic 
function of the angle of incidence & in the range 0< a < a 
It is to be noted from equation (9a) that the angle of 
incidence is equal to the angle of reflection provided 
vis -V (10a 
TABLE 6a 
"Head-on" Solutions 
X= 7.15 
, 
1081 9(P/Po)* Ps 
0 1.000 
1.0 1.003 
1.6 1.013 
1.8 1.020 
2.0 1.032 
2.2 1.051 
204 1.080 
2.6 1.125 
2.8 1.192 
3.0 1.291 
3.2 1.431, 
3.4 1.620 
3.6 1.860 
4.0 2.472 
5.0 4.344 
6.0 6.449 
* Po = 1 atn. 
