Dual Nature Of Light Question 523
Question: X-rays are produced by accelerating electrons by voltage V and let they strike a metal of atomic number Z. The highest frequency of X-rays produced is proportional to [UPSEAT 2004]
Options:
V
Z
C) (Z ? 1)
D) $ {{(Z-1)}^{2}} $
Show Answer
Answer:
Correct Answer: D
Solution:
According to Mosley’s law $ \nu ,\propto {{(Z-b,)}^{2}} $ For $ {k_{\alpha }} $ line, $ b=1, $ and it has minimum frequency so $ {\nu_{\min }},\propto {{(Z-1)}^{2}} $
BETA
