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.
![](colour8ANS.png)
(a) List the colours in the spectrum, starting with the colour that would be highest up on the screen
Red Orange Yellow Green Blue Indigo Violet ![](../../../graphics/symbols/nuclides/ticksmall.png)
![](../../../graphics/symbols/nuclides/ticksmall.png)
all colours but not correct order ![](../../../graphics/symbols/nuclides/ticksmall.png)
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. ![](../../../graphics/symbols/nuclides/ticksmall.png)
D: The whole spectrum disappears.
1 mark
Maximum 3 marks