Which of the following actions can reduce radiation exposure when in proximity to a source?

Maintaining distance from the radiation source is a well-established principle in radiation safety known as the inverse square law. This principle states that as you increase the distance from a radiation source, the intensity of radiation exposure decreases significantly. The intensity of radiation diminishes proportionally to the square of the distance from the source. Thus, by increasing your distance from a source of radiation, you effectively reduce your exposure to it, lowering the potential risk associated with radiation.

Engaging in this practice is critical for anyone working in environments where radiation is present, as it directly impacts the amount of exposure one receives. It's also essential to complement this approach with other safety measures, such as wearing appropriate protective gear and following established safety protocols, to ensure comprehensive protection from radiation hazards.