Physics (AS & A Level) · May / June 2025 · Paper 11 · Question 27
Which wavelength of electromagnetic radiation in free space could be green light?
- A4.9 × 10⁻⁹ m
- B6.6 × 10⁻⁹ m
- C5.5 × 10⁻⁷ m
- D8.6 × 10⁻⁷ m
As printed in the paper
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Correct answer: C. 5.5 × 10⁻⁷ m
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