A) \[\text{1}{{\text{0}}^{\text{-10}}}\,\text{m}\]
B) \[\text{1}{{\text{0}}^{\text{-10}}}\,\text{cm}\]
C) \[\text{1}{{\text{0}}^{\text{10}}}\,\text{m}\]
D) \[\text{1}{{\text{0}}^{\text{10}}}\,c\text{m}\]
Correct Answer: A
Solution :
Wavelength of X-rays is of the order of \[{{10}^{-10}}\] metre.
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