Dual Nature Of Light Question 521
Question: The minimum wavelength of X-rays produced in a coolidge tube operated at potential difference of 40 kV is [BCECE 2003; RPET 2002, 03]
Options:
A) 0.31 Å
B) 3.1 Å
C) 31 Å
D) 311 Å
Show Answer
Answer:
Correct Answer: A
Solution:
$ {\lambda_{\min }}=\frac{12375}{40\times 10^{3}}=0.309,{\AA}\approx 0.31,{\AA} $
BETA
