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which of the following is true about...

which of the following is true about the value of refractive index of quartz glass ?

A

Same in all directions

B

Different in different directions

C

Cannot be measured

D

Always zero

Text Solution

Verified by Experts

The correct Answer is:
a
Quartz glass is amorphous and hence refractive index is same in all directions.
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PRADEEP-STATES OF MATTER: SOLID MATTER-NCERT EXEMPLAR PROBLEMS (MULTIPLE CHOICE- I)
  1. Which of the following is an amorphous solid

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  2. Which of the following arrangements shows schematic alignment of magne...

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  3. which of the following is true about the value of refractive in...

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  4. Which of the following statement is not true about amorphous solids?

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  5. The sharp melting point of crystalline solids is due to ……..

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  6. Iodine molecules are held in the crystal lattice by:

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  7. which of the following is a network solid?

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  8. which of the following solids is not an electrical conductor ? ...

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  9. which of the following is not the characteristic of ionic solids?

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  10. Graphite is a good conductor of electricity due to the presence of :

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  11. which of the following oxides behaves as conductor or insulator ...

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  12. Which of the following oxides shows electrical properties like metals?

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  13. The lattice site in a pure crystal cannot be occupied by :

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  14. Graphite cannot be classified as :

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  15. Cations are present in the interstitial sites in …………… .

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  16. Schottky defect is observed in crystals when ……………. .

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  17. which of the following is true about the change the charge acq...

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  18. To get a n- type semiconductor from silicon , it should be doped...

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  19. The total of tetrahedral voids in the face centred unit cell is ……...

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  20. Which of the following point defects are shown by AgBr (s) crys...

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