Year: 2023
Topic: Electromagnetic waves
Time :
1.
The minimum wavelength of X-rays produced by an electron acceleratedthrough a potential difference of V volts is proportional to
(1). \(\displaystyle \frac{1}{V}\)
(2). \(\displaystyle \frac{1}{\sqrt{V}}\)
(3). \(\displaystyle V^2\)
(4). \(\displaystyle \sqrt{V}\)