A) X-ray region
B) Ultra violet region
C) Infrared region
D) Visible region
Correct Answer: A
Solution :
[a] As, \[E=\frac{hc}{\lambda }\] and \[\lambda =\frac{hc}{E}=\frac{6.6\times {{10}^{-34}}\times 3\times {{10}^{8}}}{11\times 1.6\times {{10}^{-19}}}\] hence, UV region
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