Question

question 16 / 50
beam quantity is defined as the:
number of photons in the x - ray beam
average energy of the photons in the x - ray beam
average wavelength of the photons in the x - ray beam
average frequency of the photons in the x - ray beam

Explanation:

Beam quantity in an x - ray beam refers to the number of photons present in the beam. It is a measure of the number of x - ray photons rather than their energy, wavelength, or frequency.

Answer:

Number of photons in the x - ray beam