Critical Angle and Total Internal Reflection by Muhammad Ahad Butt

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Critical Angle and Total Internal Reflection

• Muhammad Ahad Butt

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Applications
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Reference

• https//encrypted-tbn0.gstatic.com/images?qtbnAN
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• https//encrypted-tbn2.gstatic.com/images?qtbnAN
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• https//encrypted-tbn1.gstatic.com/images?qtbnAN
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• http//theboard.byu.edu/media/attached_files/r_967
  68/Total-Internal-Reflection.gif
• https//encrypted-tbn0.gstatic.com/images?qtbnAN
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• https//encrypted-tbn0.gstatic.com/images?qtbnAN
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• https//encrypted-tbn0.gstatic.com/images?qtbnAN
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• http//boson.physics.sc.edu/rjones/phys153/lab03.
  html
• http//whs.wsd.wednet.edu/Faculty/Busse/MathHomePa
  ge/busseclasses/physics/studyguides/chapter14/grap
  hics/reflection.jpg
• https//encrypted-tbn2.gstatic.com/images?qtbnAN
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Glossary

• Total Internal Reflection the complete
  reflection of a light ray reaching an interface
  with a less dense medium when the angle of
  incidence exceeds the critical angle.
• Refraction change in direction of propagation of
  any wave as a result of its travelling at
  different speeds at different points along the
  wave front.
• Normal (of a line, ray, or other linear feature)
  intersecting a given line or surface at right
  angles.
• Incident Ray The 'incident ray' is the ray of
  light that strikes the surface before reflection,
  transmission, or absorption.
• Refracted Ray A light ray that is bent into a
  different direction when it changes speed passing
  from one medium into another.
• Angle of incidence the angle which an incident
  line or ray makes with a perpendicular to the
  surface at the point of incidenc
• Angle of refraction the angle made by a
  refracted ray with a perpendicular to the
  refracting surface.
• Medium the intervening substance through which
  sensory impressions are conveyed or physical
  forces are transmitted.