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by BlastRoom
Find the critical angle and predict when light is trapped inside a medium.
#physics
20 questions
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A ray of light in water (n = 1.33) strikes a water-air boundary at 60.0 degrees from the normal. What happens to the ray?
A ray of light in glass (n = 1.50) strikes a glass-air boundary at 30.0 degrees from the normal. What happens to the ray?
A ray of light in a medium with n = 2.00 strikes a boundary with air at 30.0 degrees from the normal. What happens to the ray?
A ray of light inside a diamond (n = 2.42) strikes a diamond-air boundary at 20.0 degrees from the normal. What happens to the ray?
A ray of light in crown glass (n = 1.52) strikes a boundary with water (n = 1.33) at 70.0 degrees from the normal. What happens to the ray?
A ray of light in a medium with n = 1.25 strikes a boundary with air at 45.0 degrees from the normal. What happens to the ray?
Three rays of light in glass (n = 1.50) strike a glass-air boundary at 30.0, 41.8 and 55.0 degrees from the normal. Which ray is totally internally reflected?
Three rays of light in water (n = 1.33) strike a boundary with air (n = 1.00) at 35.0, 45.0 and 52.0 degrees from the normal. Which ray is totally internally reflected?
Three rays of light in flint glass (n = 1.66) strike a boundary with crown glass (n = 1.52) at 60.0, 64.0 and 70.0 degrees from the normal. Which ray is totally internally reflected?
Three rays of light in quartz (n = 1.54) strike a boundary with air (n = 1.00) at 35.0, 38.0 and 45.0 degrees from the normal. Which ray is totally internally reflected?
In the optical fiber shown, why does the ray stay inside the core?
A glass right-angle prism uses the glass-air boundary shown. Why can the internal 45.0-degree strike act like a mirror?
A ray inside glass (n = 1.50) reaches a boundary with air (n = 1.00). What is the critical angle?
Light travels from polystyrene (n = 1.49) toward air (n = 1.00). What critical angle should be used?
A ray in water (n = 1.33) is incident on a water-air boundary. What is the critical angle for this boundary?
Light travels from flint glass (n = 1.66) into crown glass (n = 1.52). What is the critical angle?
A ray in diamond (n = 2.42) reaches a diamond-air boundary. What is the critical angle?
A ray traveling in air (n = 1.00) meets diamond (n = 2.42) at 70.0 degrees from the normal. Can total internal reflection occur?
A ray in water (n = 1.33) strikes a water-air boundary at 48.0 degrees from the normal. Does total internal reflection occur?
A ray in glycerin (n = 1.47) reaches water (n = 1.33) at 70.0 degrees from the normal. Does total internal reflection occur?
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30 questions
