GCSE questions on refractionQ4. The diagram shows how a ray of light from a laser travels along an optical fibre.
(2 marks)
(2 marks) (c) Different wavelengths of light can be used to transmit information along optical fibres. The diagram below shows how the percentage of incident light transmitted through a fibre varies with the wavelength of light and the length of the fibre.
(3 marks) (Total 7 marks) |
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