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level: Refraction

Questions and Answers List

level questions: Refraction

Question	Answer
The bending of a wave as it passes from one medium to another due to a change in its speed.	Refraction
What is refraction?	The bending of a wave as it passes from one medium to another due to a change in its speed.
The interface or transition zone between two different materials.	Boundary
What is a boundary?	The interface or transition zone between two different materials.
Materials with higher density, having particles more closely packed together.	Denser Substances
When do waves slow down?	When they enter denser substances.
Materials with lower density, having particles less closely packed together.	Less Dense Substances
When do waves speed up?	When they enter less dense substances.
An imaginary line perpendicular to the surface of a material, used as a reference in determining the angle of incidence and refraction.	Normal
What is the normal in the context of refraction?	An imaginary line perpendicular to the surface of a material.
A diagram used to represent the path of light or waves as they travel through different mediums.	Ray Diagram
What is a ray diagram?	A diagram used to represent the path of light or waves as they travel through different mediums.
A diagram showing the shape and movement of the wave fronts as waves propagate through a medium.	Wave Front Diagram
What is a wave front diagram?	A diagram showing the shape and movement of the wave fronts as waves propagate through a medium.
The angle between the incident ray and the normal.	Angle of Incidence
What is the angle of incidence?	The angle between the incident ray and the normal.
The angle between the refracted ray and the normal.	Angle of Refraction
What is the angle of refraction?	The angle between the refracted ray and the normal.