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Choose and Write the Correct Option.If We Gradually Increase the Angle of Incidence of a Ray of Light Passing Through Prism Then ….. - Science and Technology 1

MCQ

Choose and write the correct option.

If we gradually increase the angle of incidence of a ray of light passing through prism then …..

Options

  •  Angle of deviation goes on decreasing.

  •  Angle of deviation decreases but after certain value of incident angle, deviation angle increases

  • Angle of deviation goes on increasing.

  • Angle of deviation increases but after certain value of incident angle deviation angle decreases.

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Solution

 Angle of deviation decreases but after certain value of
incident angle, deviation angle increases.

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