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Questions and Answers
At what angle does the refracted light ray move parallel to the boundary?
At what angle does the refracted light ray move parallel to the boundary?
- θ2 = 90° (correct)
- θ2 = θc
- θ1 = θc
- θ1 = 90°
What is the condition for total internal reflection to occur?
What is the condition for total internal reflection to occur?
- n1 is greater than n2 (correct)
- n1 is not related to n2
- n1 is equal to n2
- n1 is less than n2
What is the critical angle θc?
What is the critical angle θc?
- The angle of incidence when the refracted ray is parallel to the boundary (correct)
- The angle of incidence when the refracted ray is at 45° to the boundary
- The angle of incidence when the refracted ray is perpendicular to the boundary
- The angle of incidence when the refracted ray is at 30° to the boundary
What happens to the refracted rays when n1 is greater than n2?
What happens to the refracted rays when n1 is greater than n2?
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What is the condition for Snell's law of refraction to be used?
What is the condition for Snell's law of refraction to be used?
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What happens to light rays with angles of incidence greater than θc?
What happens to light rays with angles of incidence greater than θc?
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What is the purpose of using Snell's law of refraction in the example?
What is the purpose of using Snell's law of refraction in the example?
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What is the refractive index of water in the example?
What is the refractive index of water in the example?
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What is the relation between θ1 and θc when using Snell's law of refraction?
What is the relation between θ1 and θc when using Snell's law of refraction?
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What is the angle between the incident white light and the most intense returning violet ray?
What is the angle between the incident white light and the most intense returning violet ray?
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