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USHA PUBLICATION-SOLID STATE-EXERCISE
- Crystals which are good conductor of heat and electricity are -
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- Ionic solids are characterised by:
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- Which of the following is amorphous ?
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- Explain, how much portion of an atom located at (i) corner and (ii) bo...
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- Close packing is maximum in the crystal which is -
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- What do you mean by packing efficiency ? In which type of crystal arra...
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- What is co-ordination number ?
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- Schottky defect is generally appears in -
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- n-type semiconductor can be obtained by adding - to pure germanium .
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- n-type semiconductor can be obtained by adding - to pure germanium .
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- In the cubic arrangement the radius ratio is found to be 0.884. The st...
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- Radius ratio of NaCl crystal is 0.532. The structure of the crystal is...
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- Number of particles present per unit cell of HCP crystal is .
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- Iodine is an example of type of solid.
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- The point defect which decreases the density of a solid is called as ...
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- Give an example of hcp and bcc crystals.
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- The total number of atoms per unit cell of a face centred cubic crysta...
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- Which non-stoichiometric point defect is responsible for colour in alk...
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- Explain the following with suitable examples: n-type semiconductor
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- When Indium is added to Germanium which type of semiconductor is forme...
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