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Which of the following features are not ...

Which of the following features are not shown by quartz glass ?

A

This is a crystalline solid

B

Refractive index is ame in all the directions

C

This has definite heat of fusion

D

This is also called super cooled liquid.

Text Solution

Verified by Experts

The correct Answer is:
A, C
(a,c) features are not shown by glass.
(a) It is an amorphous and not a crystalline solid.
(c) It does not have definite heat of fusion.
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DINESH PUBLICATION-SOLID STATE-MULTIPLE CHOCIE QUESTION (TYPE-I)
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  2. the number of tetrahedral voids per unit cell in NaCl crystal is ...

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  3. Amorphous solids can also be callled ………….. .

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  4. A perfect crystal of silicon (fig) is doped with some elements a...

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  5. Which of the following statements are correct ?

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  6. Which of the following features are not shown by quartz glass ?

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  7. Which of the following cannot be regarded as molecular solid ?

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  8. In which of the following arrangements, Octahedral voids are forme...

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  9. Frenkel defect is also known as ……… .

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  10. Which of the following defects decrease the density ?

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  11. match the defects given in column I with the statements in given...

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  12. match the type of unit cell given column I with the features iv...

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  13. match the types of defect given in column I with the statement...

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  14. match the items given in column I with the items given in colum...

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  15. Match the type of packing given in column I with the iterms give...

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  16. Assertion :- (a) the total number of atoms present in a simple c...

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  17. Assertion :- (A) Graphite is good conductor of electricity however ...

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  18. Assertion :- (A) total number of octahedral voids present in ...

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  19. Assertion : The packing efficiency is maximum for the fcc structure. ...

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  20. Assertion :-(A) semiconductors are solids with conductivites in t...

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