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Ice has a critical angle

Which of the following statements must be true about this prism's critical angle for the violet light shown below?prism diagram
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Which of the following is necessary for total internal reflection to occur?Group of answer choices the angle of incidence must
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If a transparent material has a refractive of 2.0;a) calculate the critical angle b) if the refractive index were less than 2,0,
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2. asked by Cathy
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Assume all angles to be exact.The critical angle between two materials is 45∘. If the angle of incidence is 35∘, what is the
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2. asked by jen
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A diver, below the surface of a lake, notices that no light appears to be coming toward her greater than the angle è, measured
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2. asked by Kristen
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The critical angle of glass is 41degree 48 seconds and that of water is 48 degree 36 seconds.calculate critical angle of the
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2. asked by Gash
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A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 25.0° and the angle of refraction
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2. asked by julie
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when a ray of light incident at an angle greater than the critical angle, the phenomenon is called
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The critical angle is the angle at which a ray of light is no longer refracted but completely reflected.True False
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2. asked by Bob
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The critical angle is the angle at which a ray of light is no longer refracted but completely reflected. True or false?
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2. asked by Lance
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