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Yukti posted an Question
October 25, 2020 • 20:29 pm 30 points
  • IIT JAM
  • Geology (GG)

Which one of the following minerals is commonly used for determination of vibration direction of the polarizer in a petrological microscope?

Which one of the following minerals is commonly used for determination of vibration direction of the polarizer in a petrological microscope? (A) Muscovite (B) Hornblende (C)Augite (D) Tourmaline

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    Sajan sarthak best-answer

    Tourmaline is used to make polariser. Polarized light can also be produced by using a tourmaline crystal.  Tourmaline (a double-refracting substance) removes one of the polarized rays by absorption.

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    thank you sir

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