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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

Red Orange Yellow Green Blue Indigo Violet

all colours but not correct order

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