Light Air
Light in air is incident upon ethanol at an angle of 45.0°. What is the angle of refraction?
Light in air is incident upon ethanol at an angle of 45.0°. What is the angle of refraction?
Use snells law
n1sin1=n2sin2
n1 is air which is 1.00
n2 is 1.36
solve for sin2
sin2= n1sin1/n2
1.00* sin45/ 1.36
sin2= .51993
now take the inverse
angle= sin-1( .51993)
angle= 31.3 degrees
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