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AP EAMCET202021 Sep 2020Evening ShiftPhysicsWave OpticsActual

Which of the following generates a plane wavefront?

Options

  1. APoint source
  2. BExtended source
  3. CMonochromatic source
  4. DAll light sources

Correct answer

B. Extended source

Step-by-step solution

An extended source produce plane wavefront. A point source produce spherical wavefront.

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