Forums Assignment Help crystalline and amorphous solids

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    Which of the following statements regarding crystalline and amorphous solids is incorrect?

    A : Amorphous solids are of irregular shape.

    B : Crystalline solids are isotropic in nature.

    C : Amorphous solids soften over a range of temperature.

    D : Crystalline solids have characteristic geometrical shape.


    Crystalline solids are not isotropic in nature. They are anisotropic in nature. That is, some of their physical properties such as electrical resistance or refractive index exhibit different values, when measured along different directions in the same crystals. The different arrangement of particles in different directions results in anisotropic nature of crystalline solids.

    The correct answer is B.

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