The viscosity of solids is________________?
Correct answer: A. Infinite
- A. Infinite
- B. Negligible
- C. Medium
- D. No concept of viscosity in solid
Explanation
In the idealized treatment of solids, particles are fixed in position and cannot flow, so the viscosity of a solid is considered infinite. A negligible viscosity describes a freely flowing fluid, not a solid. Students may choose d because viscosity is normally discussed for liquids and gases, but solids can be assigned viscosity in the limiting sense of resistance to flow.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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