Electrons in an X-Ray Tube Are Accelerated Through a Potential

question 59

Multiple Choice

Electrons in an X-ray tube are accelerated through a potential difference of 40 kV. The electrons then strike a zirconium (Z = 40) target. Determine the cutoff frequency for X-ray production.

• A)4.7 × 10¹⁹ Hz
• B)9.7 × 10¹⁸ Hz
• C)3.2 × 10¹⁸ Hz
• D)6.7 × 10¹⁷ Hz
• E)1.1 × 10¹⁶ Hz