Wave behaviour at boundaries (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What are the three main behaviours of waves at a material boundary?
What are the three main behaviours of waves at a material boundary?
Absorption, reflection, transmission
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?
Transferred to thermal energy store
What happens when sunlight hits a black surface?
What happens when sunlight hits a black surface?
Energy is absorbed and surface heats up
What is reflection?
What is reflection?
Wave bounces back from second material
What is the relationship between angle of incidence and angle of reflection?
What is the relationship between angle of incidence and angle of reflection?
They are equal
How are echoes created?
How are echoes created?
Sound reflects off hard surfaces
What is refraction?
What is refraction?
Wave changes direction in new material
Why does refraction occur?
Why does refraction occur?
Wave changes speed in new material
What happens when light passes from air into glass?
What happens when light passes from air into glass?
Light waves bend
How are lenses, like those in glasses, used?
How are lenses, like those in glasses, used?
To focus light
Which wavelengths are more likely to be reflected at a boundary?
Which wavelengths are more likely to be reflected at a boundary?
Shorter wavelengths
How might denser materials affect wave behaviour?
How might denser materials affect wave behaviour?
May absorb or refract more energy