11 mark
A ray of green light shines through a glass prism.
The ray travels through the prism and out of the other side.
Which diagram shows the correct path of the ray?
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Wave Interactions (OCR Gateway GCSE Physics)
Exam Questions
29 mins7 questions
21 mark
Red light refracts when it enters glass from air because its speed changes.
The red light is replaced by blue light.
Which statement is correct about the refraction of blue light?
It refracts less than red because its speed in glass is greater than red.
It refracts less than red because its speed in glass is less than red.
It refracts more than red because its speed in glass is greater than red.
It refracts more than red because its speed in glass is less than red.
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31 mark
Look at the diagrams of a light ray reflecting from two identical surfaces.
Which diagram is correct?
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41 mark
Higher Tier Only
Look at the diagram of white light as it passes through a prism.
A spectrum of colours is seen. It ranges from red to violet.
Why does the violet light refract more than the red light?
Violet light changes frequency more than red light.
Violet light has the largest change in speed.
Violet light has the smallest change in speed.
Violet light increases its speed in the glass prism.
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