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From Bragg's equation which one of the f...

From Bragg's equation which one of the following is wrong? 

A

Incident angle `(theta)` value is in between `0^(@)` to `90^(@)`

B

`2d lt n lambda`

C

order of diffraction 'n' is an integer

D

as `lambda` of x-rays increases, incident angle for first order diffraction increases

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The correct Answer is:
B
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AAKASH SERIES-SOLID STATE-LEVEL - I (EXERCISE - II)
  1. Among the unit cells given below, which two are highly symmetric and u...

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  2. Copper metal belongs to a crystal system represented by the crystal di...

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  3. From Bragg's equation which one of the following is wrong?

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  4. For a crystal, the angle of diffraction (20) is 90^@ and the second or...

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  5. X-rays of wavelength equal to 0.134 nm give a first order diffraction ...

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  6. In x-ray diffraction experiment at which one of the following path dif...

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  7. At what angle for a first order diffraction, the distance between two ...

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  8. If two waves with the amplitude of E(0) each undergo constructive inte...

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  9. How many atoms are there in a cube based unit cell having one atom on ...

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  10. point that is located at the corner of a unit cell is shared by how ma...

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  11. The number of lattice points per unit cell in B.C.C and end centered l...

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  12. What is the minimum radius ratio that can give a specific co-ordinatio...

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  13. The coordination numbers of oxygen and silicon in SiO(4) respectively

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  14. In metal lattices the co-ordination number of metal atom is usually

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  15. Na and Mg crystallize in BCC and FCC type of crystals respectively, th...

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  16. Potassium crystallises in a body centred cubic unit cell. The mass of ...

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  17. A metal 'M' is crystallised in F.C.C lattice. The number of unit cells...

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  18. Among the following which has a different structure from others ?

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  19. {:("List - I","List - II"),("(Metal)","(Co-ordination number)"),("A) P...

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  20. In a hexagonal closest packing in two layers one above the other, the ...

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