Physical protection against external exposure uses three main factors: distance, time and shielding. The significance of protection by distance is obvious from the rule stating that the decrease of dose is proportional to the square of the distance of the source of ionising radiation.
What are the 3 principles of protection from radiation?
To do this, you can use three basic protective measures in radiation safety: time, distance, and shielding.
What protects from ionizing radiation?
Examples of commonly used PPE for radiation protection from X-rays and gamma rays include: Lead aprons or vests. Wearing lead aprons can reduce a worker’s radiation dose. Customized lead (or lead equivalent) aprons are available for a wide range of occupational settings and job tasks.
What are 3 sources of Ionising radiation?
In nature, sources of ionizing radiation include:
- Radiation from space (cosmic and solar radiation)
- Radiation from the earth (terrestrial radiation) Radon.
- Radiation from building materials.
What is the best way to reduce radiation exposure?
Putting distance and shielding between you and a radiation source is an immediately effective way of reducing your exposure. Reducing the time you are being exposed is another way. Use a Respirator or Face Mask if You are exposed to airborne sources. Properly Label Sources and keep them Shielded.
How can you reduce cell phone radiation?
Ways to reduce your exposure to cell phone radiation
- Text, Use an earphone or a Bluetooth especially for longer conversations. …
- Limit calls in a low network area. …
- Use airplane mode for gaming (for your child) …
- Sleep without your phone. …
- Your trouser pocket is the worst place for your phone (Men)
How do you get exposed to ionizing radiation?
- Ionizing radiation is a type of energy released by atoms in the form of electromagnetic waves or particles.
- People are exposed to natural sources of ionizing radiation, such as in soil, water, and vegetation, as well as in human-made sources, such as x-rays and medical devices.