WAVES- fibre optics and refraction Practice Questions with complete Solutions Rated A+
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Course
Fibre Optic
Institution
Fibre Optic
WAVES- fibre optics and refraction Practice Questions with complete Solutions Rated A+
What is the use of fibre optics? - Answers Transmission of information as pulses of light over long distances through strands of fibre made from glass
How much light is absorbed by the glass in fibre optics? - ...
WAVES- fibre optics and refraction Practice Questions with complete Solutions Rated A+
What is the use of fibre optics? - Answers Transmission of information as pulses of light over long
distances through strands of fibre made from glass
How much light is absorbed by the glass in fibre optics? - Answers Very little
What does light undergo when inside a fibre optic? - Answers Complete internal reflection
What is refraction? - Answers the bending of light waves due to a change in speed
If a wave crosses a denser boundary what will happen to it? - Answers It will slow down
If a wave crosses a less dense boundary what will happen to it? - Answers It will speed up
When a wave crosses a less dense boundary which way does it bend? - Answers Away from the normal
When a wave crosses a more dense boundary which way does it bend? - Answers Towards the normal
When a wave is refracted what happens to its frequency and wavelength? - Answers It's wavelength
changes but it's frequency remains the same
If a wave travels along the normal what will happen to it? - Answers It will change speed but not be
refracted
What is optical density of a material? - Answers A measure of how quickly light can travel through it
What is the angle of incidence? - Answers the angle between the incident ray and the normal
What is the angle of refraction? - Answers the angle between the refracted ray and the normal
What is the normal? - Answers A line perpendicular to a surface
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