Question:

Crystalline solids have

Updated On: Jul 28, 2022
  • short range order
  • long range order
  • anisotropic distribution
  • All of these
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The Correct Option is D

Solution and Explanation

Crystalline solids are anisotropic therefore their physical properties e.g. electrical conductivity, thermal conductivity, refractive index are the different in different directions. But amorphous solids, liquids and gases are isotropic (i.e. same physical properties in all directions).
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Concepts Used:

Solid State

Solids are substances that are featured by a definite shape, volume, and high density. In the solid-state, the composed particles are arranged in several manners. Solid-state, in simple terms, means "no moving parts." Thus solid-state electronic devices are the ones inclusive of solid components that don’t change their position. Solid is a state of matter where the composed particles are arranged close to each other. The composed particles can be either atoms, molecules, or ions. 

Solid State

Types of Solids:

Based on the nature of the order that is present in the arrangement of their constituent particles solids can be divided into two types;

  • Amorphous solids behave the same as super cool liquids due to the arrangement of constituent particles in short-range order. They are isotropic and have a broad melting point (range is about greater than 5°C).
  • Crystalline solids have a fixed shape and the constituent particles are arranged in a long-range order.