A Glass Plate with an Index of Refraction Is 1

question 4

Multiple Choice

A glass plate with an index of refraction is 1.57 is immersed in an oil having a refractive index of 1.40.The surface of the glass is inclined at an angle of 54° with the vertical.A horizontal light ray in the glass strikes the interface.What is the angle that the refracted ray,in the oil,makes with the horizontal?

• A)11°
• B)5.6°
• C)8.3°
• D)14°
• E)17°

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