Medical physics Question: Download Medical physics PDF
What is inverse Square Law?
Answer:
A mathematical relationship that describes the change in beam intensity as the distance from the source changes. The change in intensity is primarily caused by the divergence of the beam. The mathematical formula states that the intensity decreases inversely proportional to the square of the distance. (Intensity = 1/r2). Example: Triple the Distance (r), the Intensity drops by a factor of 9.
| Previous Question | Next Question |
| What is sedation, non-pharmacological? | What is focal spot? |