Along the direction of the optic axis of a calcite crystal the ordinary rays travel with

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Question:
Along the direction of the optic axis of a calcite crystal the ordinary rays travel with

1. the same velocity as that of the extraordinary rays

2. half the velocity of the extraordinary rays

3. two times the velocity of the extraordinary rays

4. ?2 times the velocity of the extraordinary rays

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

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