The angle of refraction of light ray in the corn oil is 20°.
What is angle of Refraction?
Angle of refraction is the angle the refracted light ray makes with the normal to the oil-air interface.
Given data:
Angle of incidence = 30°
Analysis:
The refractive index of oil is 1.47.
Using the formula for refractive index(n) = \(\frac{sini}{sinr}\)
1.47 = \(\frac{sin 30}{sin r}\)
1.47(sin r) = sin 30
sin r = \(\frac{sin 30}{1.47}\)
sin r = 0.3401
r = arc sin(0.3401)
r = 19.88° which is approximately 20°
Learn more about Refraction : brainly.com/question/10729741
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