Reflection (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What three things can happen to waves at a boundary between two materials?
What three things can happen to waves at a boundary between two materials?
Reflected, absorbed, or transmitted
What is reflection?
What is reflection?
Wave bounces back into original medium
What angle does the normal make with the boundary?
What angle does the normal make with the boundary?
90 degrees
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
In specular reflection, how do the angles compare?
In specular reflection, how do the angles compare?
Same angle of reflection as incidence
In diffuse reflection, how do the angles compare?
In diffuse reflection, how do the angles compare?
Different angle than incidence
What type of surface causes specular reflection?
What type of surface causes specular reflection?
Smooth surface
What type of surface causes diffuse reflection?
What type of surface causes diffuse reflection?
Distorted, uneven surface
How does surface smoothness affect reflection?
How does surface smoothness affect reflection?
Smoother = stronger reflected wave
What is transmission?
What is transmission?
Waves pass through a material
When does absorption of light occur?
When does absorption of light occur?
Frequency matches electron energy levels
If a material appears green, which colour has been reflected?
If a material appears green, which colour has been reflected?
Green light