Dual Nature Of Light Question 510

Question: The X-rays produced in a coolidge tube of potential difference 40V have minimum wavelength of [MH CET (Med.) 2001]

Options:

A) $ 3.09\times {{10}^{-8}}m $

B) $ 5.09\times 10^{8}m $

C) $ 4.09\times {{10}^{-8}}m $

D) $ 1.09\times 10^{8}m $

Show Answer

Answer:

Correct Answer: A

Solution:

$ {\lambda_{\min }}=\frac{12375}{40}{\AA}=3.09\times {{10}^{-8}}m $