A Drop of Unknown Liquid Is Placed at the Point

question 42

Multiple Choice

A drop of unknown liquid is placed at the point on a glass surface where internal reflection is occurring at θ = 48°.The drop is heated until internal reflection occurs.What is the refractive index of the liquid if n_g = 1.60?

• A)1.19
• B)2.38
• C)1.07
• D)0.46

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