Figure 1 shows how the visible spectrum of white light is shown on a screen - Edexcel - GCSE Physics Combined Science - Question 1 - 2022 - Paper 1
Question 1
Figure 1 shows how the visible spectrum of white light is shown on a screen.
(i) Which of these is the best piece of equipment to produce the white light?
A ray bo... show full transcript
Worked Solution & Example Answer:Figure 1 shows how the visible spectrum of white light is shown on a screen - Edexcel - GCSE Physics Combined Science - Question 1 - 2022 - Paper 1
Step 1
Which of these is the best piece of equipment to produce the white light?
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Answer
The best piece of equipment to produce white light is a ray box (option A). A ray box emits beams of light that can be used to demonstrate the separation of white light into its constituent colors using a prism.
Step 2
Which colour is seen between yellow and blue in the spectrum on the screen?
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Answer
The color seen between yellow and blue in the visible spectrum is green (option C). This is because yellow and blue are complementary colors, and their combination produces green.
