Diffraction, Reflection, Refraction
Flashcard
•
Physics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is diffraction?
Back
Diffraction is the bending of waves around obstacles and openings, which causes the waves to spread out.
2.
FLASHCARD QUESTION
Front
What is reflection?
Back
Reflection is the bouncing back of light or sound waves when they hit a surface.
3.
FLASHCARD QUESTION
Front
What is refraction?
Back
Refraction is the bending of light as it passes from one medium to another due to a change in speed.
4.
FLASHCARD QUESTION
Front
What causes refraction?
Back
Refraction is caused by a change in speed of light as it travels between different media.
5.
FLASHCARD QUESTION
Front
What is the law of reflection?
Back
The law of reflection states that the angle of incidence is equal to the angle of reflection.
6.
FLASHCARD QUESTION
Front
What is the critical angle in refraction?
Back
The critical angle is the angle of incidence above which total internal reflection occurs.
7.
FLASHCARD QUESTION
Front
What is total internal reflection?
Back
Total internal reflection is the complete reflection of a light ray back into a medium when it hits the boundary at an angle greater than the critical angle.
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