Multiple choice

Which of the following is not a characteristic of amorphous solids?

  1. They do not occur in characteristic geometric shapes.

  2. Amorphous solids do not have sharp melting points.

  3. Their properties depend upon the direction along which they are measured.

  4. They break in an irregular manner.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Their mechanical, electrical and optical properties do not depend upon the direction along which they are measured. They are isotropic and in this respect resemble liquids and are sometimes referred to as super-cooled liquids.

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