Refraction (Grade 11 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What causes light to refract when moving between different media?
What causes light to refract when moving between different media?
Light changes speed
Which property of light remains constant during refraction?
Which property of light remains constant during refraction?
Frequency
What is the formula for refractive index?
What is the formula for refractive index?
What can be said about all refractive index values?
What can be said about all refractive index values?
They are greater than 1
What is the speed of light in a material with ? (Use m⋅s⁻¹)
What is the speed of light in a material with ? (Use m⋅s⁻¹)
m⋅s⁻¹
How are optical density and refractive index related?
How are optical density and refractive index related?
Higher n means higher optical density
What is the normal in a ray diagram?
What is the normal in a ray diagram?
A line perpendicular to the surface
How does light bend when moving from higher to lower refractive index?
How does light bend when moving from higher to lower refractive index?
Away from the normal
How does light bend when entering a denser medium from a less dense one?
How does light bend when entering a denser medium from a less dense one?
Towards the normal
What happens to the emergent ray after passing through a glass block?
What happens to the emergent ray after passing through a glass block?
It is parallel to the incident ray