MCQ
If $\lambda $ $=10Å$ , then it corresponds to
  • A
    Infra-red
  • B
    Microwave
  • C
    Ultra-violet
  • $X-$ rays

Answer

Correct option: D.
$X-$ rays
d
$\lambda=10 \mathring A=10 \times 10^{-10}\,m =10^{-9}\,m$

$X$-ray wavelength is of the order of $10 \mathring A$

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