A beam of light is incident from air to water a... - JAMB Physics 1993 Question
A beam of light is incident from air to water at an angle of 30oC. Find the angle of refraction if the refractive index of water is \(\frac{4}{3}\)
A
15oC
B
18oC
C
22oC
D
24oC
correct option: c
(\frac{4}{3}) = (\frac{sin30}{sinr})
r = 22oC
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