Harshvardhan Sharma posted an Question
January 21, 2021 • 13:46 pm 30 points
  • IIT JAM
  • Geology (GG)

The angle between [111] and [112] directions in a cubic crystal is___?

the angle between [111] and [112] directions in a Cubic crystal is?

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    Saurabh 1

    Just use the simple relation for angle between two planes. Cosθ = 1×1+1×1+1×2 / √1+1+1 × √1+1+4 = 4/√18 Or cosθ = 4/3√2 = 0.942 ... So finally θ = arc cos(0.942) = 19.6° ... Ans.

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    Sajan sarthak Best Answer

    ANGLE IS 19.47 °

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    eduncle-logo-app

    Sir,Answer in module is 90° given,also we can apply this formula for both interfacial angle and angle between zone axis?

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