What is total internal reflection?
Grade 8 Physics Light Properties Review Flashcard

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Science
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Total internal reflection is the phenomenon that occurs when a light wave strikes the boundary of a medium at an angle greater than the critical angle, causing all the light to be reflected back into the medium instead of passing through.
2.
FLASHCARD QUESTION
Front
What is light transmission?
Back
Light transmission refers to the ability of light to pass through a medium without being absorbed or scattered.
3.
FLASHCARD QUESTION
Front
What is refraction of light?
Back
Refraction is the bending of light as it passes from one medium to another due to a change in its speed.
4.
FLASHCARD QUESTION
Front
What are the types of reflection?
Back
The two main types of reflection are regular reflection (specular) and diffuse reflection.
5.
FLASHCARD QUESTION
Front
What causes dispersion of light?
Back
Dispersion of light is caused by refraction, which occurs when light passes through a medium and separates into its component colors.
6.
FLASHCARD QUESTION
Front
Define regular reflection.
Back
Regular reflection occurs when light rays strike a smooth surface and reflect at the same angle, producing a clear image.
7.
FLASHCARD QUESTION
Front
Define diffuse reflection.
Back
Diffuse reflection occurs when light rays strike a rough surface and reflect in many directions, resulting in a blurry image.
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