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Question

What is the main principle used in interference?


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Solution

The main principle used in interference :

  1. The Superposition principle is the most important principle in interference.
  2. The essential basis of light interference is the superposition principle.
  3. The intensity of the incoming light waves increases when they superimpose constructively, while it drops when they superimpose destructively, which is known as disturbance of light or superposition of light.
  4. A superposition is defined in physics as an increase or reduction in the amplitude of the resulting wave due to the frequency of the waves.

Hence, the superposition principle is the most important principle in interference.


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