Dual Nature Of Light Question 375
Question: An x-ray tube is operating at 30 KV then the minimum wavelength of the x-rays coming out of the tube is -
Options:
A) $ 1.24\overset{o}{\mathop{A}}, $
B) $ 0.413\overset{o}{\mathop{A}}, $
C) $ 124\overset{o}{\mathop{A}}, $
D) $ 0.13\overset{o}{\mathop{A}}, $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ {\lambda_{\min }}=\frac{12400}{V}\overset{o}{\mathop{A}},=\frac{12400}{30000}=0.413\overset{o}{\mathop{A}}, $