15.15 Applying Snells law at the airail interface,
rim-l. sln = rim-I smEU
Applying Snells law at the nilwater interface
n. sinflr = rim-I sin
yields 8' = 22.3
. . . - " 9
15.2!) m sin 31 = n; sun 32: 32 = s1n {w}
"2
92 = Sin {1.30 :iESEI ]=
The su
E'FJEI At 33.0, d sin = ml
113.2(3): ID 4 m} sin 30.0: mt x 1D 9 In} so in = 320
There are 320 maxima to the right, 320 to the leftr and one for m = Cl' straight ahead.
. a a
25:11 I = tum co52(%J
x: ammo 3 m 1.3mm 4 m
I = CD51 # = 0.98?
Fm (656.3 X
t14.1 y : 331 + y; = 3.00 ms {4.001 1.60%} + 41.00 sin {5.001 2.001] evaluated at the given x values.
{a} x = 1.00, r: 1.00 y = 3.00 ens {2.00 rad] + 4.00 sin {+3.00 rad}
0:0 3 = 1.00, r: 0.500 y = 3.00 ens {+3.20 rad] + 4.00 sin {+4.00 rad] :
0:} x =