When light passes through a camera lens aperture, it diffracts, which causes the resulting image to blur slightly. The extent of this blurring depends on both the wavelength of the light and the diameter of the aperture.
Which combination of aperture diameter and wavelength of light will result in the most blurring (the largest diffraction effect)?
Large aperture diameter, long wavelength
Large aperture diameter, short wavelength
Small aperture diameter, long wavelength
Small aperture diameter, short wavelength
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.