6 Questions
What happens to the speed of light as it passes from air into glass?
It slows down
What is the angle of refraction compared to the angle of incidence when light passes from air into glass?
Smaller
What happens to light when it passes from a more dense substance into a less dense substance?
It bends away from the normal
What is the critical angle?
The angle of incidence when light is totally reflected
What happens to light when it passes through a glass block at a shallow angle?
It bends towards the normal
Why does the glass block feel heavier than the plastic one?
Because glass is denser than plastic
Test your understanding of refraction of light as it passes from air into glass and back into air. Learn how the speed and direction of light change at the interface. Explore the relationships between the angles of incidence and refraction.
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