Which of the following statements about X-rays is correct? X-rays
- A. Are produced when a metal surface is irradiated with ultraviolet light
- B. Are produced when a metal target is used to block fast-moving electrons
- C. Have long wavelengths and are therefore very penetrating
- D. Are not part of the electromagnetic spectrum
Correct Answer: Option B
Explanation
X-rays are produced when a metal target is used to block fast-moving electrons.