Question

(b) State two conditions necessary for total internal
reflection to occur.​

Answer 1

Answer:

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Two Requirements for Total Internal Reflection:

• The light is in the more dense medium and approaching the less dense medium.
• The angle of incidence is greater than the so-called critical angle.

Answer 2

Answer:

Two Requirements for Total Internal Reflection:

• The light is in the more dense medium and approaching the less dense medium.
• The angle of incidence is greater than the so-called critical angle