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Light waves are incident on an air-glass boundary. Some of the light waves are reflected and some are refracted in the glass. Which one of the following properties is the same for the incident wave and the refracted wave ?

Options

  1. ASpeed
  2. BDirection
  3. CBrightness
  4. DFrequency

Correct answer

D. Frequency

Step-by-step solution

Frequency is the one among the following given options which applies to the demand of the question. It is same for the incident wave and refracted wave.

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