Highschool science
(1) D
given,
the angle the incidence=60°
We know,
the angle of incidence= the angle of reflection
So, the angle of reflection= 60°
(2) Snell's low,
[N11 =N22]
N1=1.00
N2= 1.18
1=60°
2=?
so,
1.00×Sin60°= 1.18×Sin2
√3/2=1.18× Sin2
√3÷(2×1.18)= Sin2
1.732÷2.36= Sin2
0.733= Sin2
2=arcSin (0.733)
2 =47.13°
So, the angle of refraction=47.13°
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Highschool science.
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Highschool science
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