Answers to questions on working waves Quiz by physicselephant

Question
What are optical fibres made from?
What is core diameter of step index fibre?
Convert 20 ns into seconds
Which type of optical fibre is used in long distance data transmissions?
What is core diameter of monomode fibre?
What is frequency measured in?
Radiowaves have a _________ wavelength
Which type of optical fibre is used in short distance data?
What is the speed of light in m/s?

Question
Which type of optical fibre has a gradual chnage in refractive index?
All objects emit
What is the electromagnetic wave with the lowest frequency?
Gamma waves have a ________ frequency
Give an example of a longitudinal wave
Which type of optical fibre has a sudden change in the refractive index?
What is the approximate range of wavelengths for visible light
A remote control uses _________ radiation
What type of waves are electromagnetic waves?

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