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Why are solids rigid ?...

Why are solids rigid ?

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In a solid, the constituent particles are very closely packed. Hence, the forces of attraction among these particles are very strong. Moreover, the constituent particles in solids have fixed positions and can only oscillate about their mean positions. Hence, they are rigid.
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PRADEEP-STATES OF MATTER: SOLID MATTER-NCERT
  1. Why are solids rigid ?

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  2. Why do solids have a definite volume?

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  3. Classify the following as amorphous or crystalline solids: polyurethan...

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  4. Why is glass considered a supercooled liquid?

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  5. The refractive index of a solid is observed to have the same value alo...

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  6. Classify the following solids in different categories based on the nat...

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  7. Solid A is very hard electrical insulator in solid as well as in molte...

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  8. Ionic solids conduct electricity in the molten state but not is the so...

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  9. What type of solids are electrical conductors, malleable or ductile?

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  10. Give the significance of "lattice point."

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  11. Name the parameters that characterized a unit cell.

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  12. Distinguish between a. Hexagonal and monoclinic unit cells (b) Fac...

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  13. Explain how much portin of an atom located at (a) corner and (b) body ...

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  14. What is the two-dimensional coordination number of a molecule in squar...

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  15. A compound is formed hexagonal close-packed structure. What is the tot...

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  16. A comound is formed by two elements M and N. The element N froms ccp a...

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  17. Which of the following lattices has the highest packing efficency (a) ...

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  18. An element with molar mass 2.7xx10^(-2) kg per mole forms a cubic uni...

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  19. What type of defect can arise when a solid is heated? Which physica...

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  20. What type of stoichiometric defect is shown by: (a) ZnS (b) AgBr

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