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QNEET-2019-Ph-803: NEET 2019 Physics - Class 12 NEET-2019-Ph-803 Solution: In total internal reflection when the angle of incidence is…

In total internal reflection when the angle of incidence is equal to the critical angle for the pair of media in contact what will be angle of refraction? equal to angle of incidence 90∘90^\circ 180∘180^\circ 0∘0^\circ

Multiple Choice Options

  • A equal to angle of incidence
  • B 90 o
  • C 180 o
  • D 0 o

Step-by-Step Verified Solution

Let i c be the critical angle. Hence, at i = i c , refracted ray grazes with the surface. So, angle of refraction is 90�.

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