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Questions on colour

Q8. The diagram below shows white light passing through a prism and forming a spectrum on a white screen. The spectrum contains light of all colours.

 

(a) List the colours in the spectrum, starting with the colour that would be highest up on the screen

2 marks

(b) A pupil puts a green filter in the path of the ray of white light. What happens to the spectrum on the screen?

A: The whole spectrum turns green.

B: The green part of the spectrum disappears, but the other colours stay the same.

C: The green part of the spectrum stays the same, but the other colours disappear.

D: The whole spectrum disappears.

1 mark

Maximum 3 marks


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