If the distance from the source is doubled, the quantity of radiation reaching a specific area is _________ the original.

Question

Quizplus · Accepted Answer

According to the inverse square law, the intensity of radiation (or light) on a surface is inversely proportional to the square of the distance from the source. Therefore, if the distance is doubled, the radiation intensity becomes one fourth of its original value.

If the Distance from the Source Is Doubled, the Quantity