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PhysicsNEET 2019Total internal reflection and prisms

Ray Optics and Optical Instruments

Pick the wrong answer in the context of a rainbow.

  1. A.When light rays undergo two internal reflections in a water drop, a secondary rainbow is formed
  2. B.The order of colours is reversed in the secondary rainbow
  3. C.An observer can see a rainbow when facing towards the sun✓
  4. D.A rainbow is a combined effect of dispersion, refraction and reflection of sunlight

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

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