Post-UTME Physics 2018 Objective — Question 16
Question 16 of 20 from the Post-UTME Screening (Post-UTME) Physics 2018 Objective paper, with the correct answer and a full explanation.
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A sheet of white paper viewed through red glass appears red because
- A. the glass reflects red colour
- B. the paper reflects red colour only
- C. the glass transmits the red colour and absorbs all others.Correct
- D. red is a primary colour.
Explanation
The red glass filter transmits only red light and absorbs other wavelengths, so the white paper (reflecting all colours) appears red through it.
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