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CAIE A-Level Physics 7.4.3 Visible Light from 400–700 nm

Practise deciding whether electromagnetic radiation lies in the approximate 400–700 nm visible range in free space, using wavelength units and interpreting the boundary of the…

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • identify whether a wavelength lies within the 400–700 nm visible range in free space

7.4.3—That wavelengths in the range 400–700 nm in free space are visible to the question 1

[Maximum number: 1]

What is the best estimate of the wavelength of green light?

A

260 nm

B

540 nm

C

780 nm

D

920 nm

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