Find maximum frequency of X-rays produced by an X-ray tube operating at a tube potential of 66 kV.

Explanation

To find the maximum frequency of X-rays produced by an X-ray tube operating at a tube potential of 66 kV, we can use the relationship between energy, frequency, and Planck's constant. The steps are as follows:

### Step 1: Understand the relationship between energy and frequency
The energy (E) of a photon is related to its frequency (f) by the equation:
\[ E = h \cdot f \]
where:
- \( E \) is the energy of the photon,
- \( h \) is Planck's constant (\( 6.63 \times 10^{-34} \, \text{Js} \)),
...