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Solid State question

2021 · Q25
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Solid State question

2021 · Q25

IIT JAMChemistrySolid StateMCQ+2 / −0.67
Monochromatic X-rays having energy 2.8×10−152.8 \times 10^{-15}2.8×10−15 J diffracted (first order) from (200) plane of a cubic crystal at an angle 8.5∘8.5^{\circ}8.5∘. The length of unit cell in Å of the crystal (rounded off to one decimal place) is (Given: Planck's constant, h=6.626×10−34h = 6.626 \times 10^{-34}h=6.626×10−34 J s; c=3.0×108c = 3.0 \times 10^8c=3.0×108 m s −1^{-1}−1)
  1. A
    2.4
  2. B
    3.4
  3. C
    4.8
  4. D
    9.8
View written solutionFree

Correct answer: C

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