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3.2 Light

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Question 103

The typical wavelengths for different colours of visible light in a vacuum are:

  • Violet: 415 nm415 \text{ nm}415 nm
  • Blue: 475 nm475 \text{ nm}475 nm
  • Yellow: 580 nm580 \text{ nm}580 nm
  • Red: 660 nm660 \text{ nm}660 nm

Using the data, what is a likely wavelength of green light?

A

440 nm440 \text{ nm}440 nm

B

530 nm530 \text{ nm}530 nm

C

620 nm620 \text{ nm}620 nm

D

700 nm700 \text{ nm}700 nm

Markscheme

3.2 Light Questions

  1. IGCSE
  2. /Physics
  3. /3.2 Light

216 exam-style questions on CIE IGCSE Physics 3.2 Light, covering 3.2.1a Reflection of light, 3.2.1b Images in a plane mirror, 3.2.2 Refraction of light, 3.2.2a Refraction of light, 3.2.2b Total internal reflection, 3.2.2c Refractive index and critical angle, 3.2.2d Optical fibres, 3.2.3a Converging and diverging lenses, 3.2.3b Ray diagrams and the nature of images, 3.2.3c Virtual images and the magnifying glass, 3.2.3d Correcting long-sightedness and short-sightedness, and 3.2.4 Dispersion of light. Each one has a worked solution and a mark scheme showing where the marks go.

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