5. Light travelling through transparent oil enters into glass of refractive index 1.5. If the refractive index of glass with respect to the oil is 1.25, what is the refractive index of the oil?
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n2 - refractive index for the oil. Thus the total value of the speed of light penetrated through the glass and the oil, can be calculated according to the formula below: v3 = c/(n1*n2) = 299792/(1.5*1.33) = 150271.679 (km/s)
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