Wave behaviour at boundaries (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What happens to a wave's energy when it is absorbed by a material?
What happens to a wave's energy when it is absorbed by a material?
Energy is transferred to the material
What often happens when a wave's energy is absorbed by a material?
What often happens when a wave's energy is absorbed by a material?
The material heats up
What happens when sunlight hits a black surface?
What happens when sunlight hits a black surface?
Energy is absorbed and heats it up
What happens to a wave during reflection at a boundary?
What happens to a wave during reflection at a boundary?
It bounces back from material
How does the angle of incidence relate to the angle of reflection?
How does the angle of incidence relate to the angle of reflection?
They are equal
How are echoes created?
How are echoes created?
Sound waves reflected off surfaces
What is refraction?
What is refraction?
Wave changing direction in material
Why does refraction occur when a wave enters a new material?
Why does refraction occur when a wave enters a new material?
Wave changes speed
What happens to light waves when they pass from air into glass or water?
What happens to light waves when they pass from air into glass or water?
They bend
How is refraction used in lenses such as glasses or camera lenses?
How is refraction used in lenses such as glasses or camera lenses?
To focus light
What is one use of refraction in communication systems?
What is one use of refraction in communication systems?
Fibre optics to transmit data
What type of wavelengths are more likely to be reflected at a boundary?
What type of wavelengths are more likely to be reflected at a boundary?
Shorter wavelengths