Which of the following statements regarding protons are correct?

They have a negative charge

They are equal to the number of electrons in a non-ionized atom

They are equal to the atomic number in a non-ionized atom

They have no mass

They increase in number relative to neutrons, following electron capture

The binding energy of electrons:

Is the energy expended in moving an electron from an inner to an outer shell

Is higher for an L-shell electron than an M-shell electron

Is influenced by the number of neutrons within an atom

Determines Bremsstrahlung photon energy

Determines the energy of the photoelectron produced following photoelectric absorption

Which of the following are correct regarding electromagnetic radiation?

Gamma rays are a form of electromagnetic radiation

The particles have a mass equivalent to that of neutrons

In a vacuum, the velocity of the particles differs depending on their individual properties

It results in a sinusoidal graph when magnetic field strength is plotted against time

The frequency is the interval between two successive crests

Regarding electromagnetic beam radiation:

Energy fluence is the number of photons per unit area of a beam

Beam intensity is the total amount of energy per unit area travelling per unit time

Wavelength is inversely proportional to frequency

Frequency is inversely proportional to photon energy (keV)

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