Question

The X-ray beam coming from an X-ray tube

• A. Is monochromatic.
• B. Has all wavelengths smaller than a certain maximum wavelength.
• C. Has all wavelengths greater than a certain minimum wavelength
• D. Has all wavelengths lying between a minimum and a maximum wavelength.

Answer 1

Answer: (D)

Has all wavelengths lying between a minimum and a maximum wavelength.

X-rays are a type of radiation whose frequency (or wavelength) lie between a certain range of values.

X-rays are not monochromatic.