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What is the principle of reversibility of light?
What is the principle of reversibility of light?
- Light changes its speed based on the direction of travel
- Light bends in the opposite direction of travel
- Light stops when its direction of travel is reversed
- Light follows the same path regardless of direction of travel (correct)
What is the critical angle?
What is the critical angle?
- Angle of incidence equal to 90 degrees (correct)
- Angle at which light changes color
- Angle of refraction equal to 90 degrees
- Angle that changes light's speed
In total internal reflection, the light ray moves from...
In total internal reflection, the light ray moves from...
- A more dense medium to a less dense medium (correct)
- A less dense medium to a more dense medium
- Two equally dense mediums
- A medium with no density
What must be true about the angle of incidence for total internal reflection to occur?
What must be true about the angle of incidence for total internal reflection to occur?
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What is a lens?
What is a lens?
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What is the working principle of a mirror?
What is the working principle of a mirror?
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What does the lens formula relate to?
What does the lens formula relate to?
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What does the lens maker formula calculate?
What does the lens maker formula calculate?
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According to the principle of reversibility, what happens if the direction of travel of light is reversed?
According to the principle of reversibility, what happens if the direction of travel of light is reversed?
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What should be true about the angle of incidence for total internal reflection?
What should be true about the angle of incidence for total internal reflection?
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