The velocity of the extraordinary ray and that of the ordinary ray in calcite crystal are

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Question:
The velocity of the extraordinary ray and that of the ordinary ray in calcite crystal are

1. same in all directions

2. different in all directions

3. same in only one direction namely along the optic axis

4. zero in one direction and more than zero in perpendicular direction

Posted Date:-2021-10-17 18:35:21

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