Core practical: Investigating refraction (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 causes refraction when light passes from one medium to another?
What causes refraction when light passes from one medium to another?
A change in light speed
Which statement about optical density is correct?
Which statement about optical density is correct?
Glass has higher optical density than air
What happens to light when it enters glass from air?
What happens to light when it enters glass from air?
It bends towards the normal
What happens to light when it exits glass into air?
What happens to light when it exits glass into air?
It bends away from the normal
What is the purpose of the ray box in this experiment?
What is the purpose of the ray box in this experiment?
To produce a narrow beam of light
At what angle should the normal line be drawn to the surface of the glass block?
At what angle should the normal line be drawn to the surface of the glass block?
degrees
Why should the experiment be repeated three times?
Why should the experiment be repeated three times?
To average angles for accuracy
How does the angle of refraction compare to the angle of incidence when light enters glass?
How does the angle of refraction compare to the angle of incidence when light enters glass?
It is less than
What happens to the speed of light as it enters glass from air?
What happens to the speed of light as it enters glass from air?
It slows down
What happens to the speed of light as it exits glass into air?
What happens to the speed of light as it exits glass into air?
It speeds up
Which types of waves can be refracted?
Which types of waves can be refracted?
All electromagnetic waves
What is the effect of a greater difference in optical density between two materials?
What is the effect of a greater difference in optical density between two materials?
Greater refraction occurs