Question

write the relation between critical angle and total internal reflection??

Answer 1

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here is your answer

Total Internal Reflection and the Critical Angle. If a ray of light is leaving a denser medium, it will bend away from the normal. As can be seen from the above diagram, as the angle of incidence inside the material increases the angle of refraction increases to a point at which it leaves the material at 90˚.

When the angle of refraction is equal to 90°, the angle of incidence is called the critical angle, At any angle of incidence greater than the critical angle, the light cannot pass through the surface - it is all reflected. Total because all of the energy is reflected.

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Answer 2

$<marquee>☺☺Hi there☺☺</marquee>$

When the angle of refraction is equal to 90°, the angle of incidence is called the critical angle, At any angle of incidence greater than the critical angle, the light cannot pass through the surface - it is all reflected. Total because all of the energy is reflected.

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