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Questions and Answers
What happens to the speed of light as it passes from air into glass?
What happens to the speed of light as it passes from air into glass?
- It slows down (correct)
- It speeds up
- It remains the same
- It becomes zero
What is the angle of refraction compared to the angle of incidence when light passes from air into glass?
What is the angle of refraction compared to the angle of incidence when light passes from air into glass?
- Undefined
- Smaller (correct)
- Larger
- Equal
What happens to light when it passes from a more dense substance into a less dense substance?
What happens to light when it passes from a more dense substance into a less dense substance?
- It remains unchanged
- It disappears
- It bends away from the normal (correct)
- It bends towards the normal
What is the critical angle?
What is the critical angle?
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What happens to light when it passes through a glass block at a shallow angle?
What happens to light when it passes through a glass block at a shallow angle?
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Why does the glass block feel heavier than the plastic one?
Why does the glass block feel heavier than the plastic one?
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