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

---

Definitions:

Excuse

is a justification provided to mitigate responsibility or blame for a perceived wrongdoing or failure, aiming to maintain one's social image or alleviate guilt.

Reproach

An expression of disapproval or disappointment directed towards someone's actions or behavior.

Empowerment Strategy

A plan or approach designed to give individuals or groups more control over their lives or situations, often through providing resources or support.

Cardiograph

A device used to record the electrical activity of the heart over a period of time, commonly known as an ECG or EKG.