What Is The Meaning Of Radiation?


Simple Definition:

Radiation refers to the emission [sending out] of energy as electromagnetic waves [a form of energy that can travel through space and matter] or as moving subatomic particles [tiny particles that make up atoms], especially high-energy particles that can cause damage to living organisms or materials.

For example:

  • The sun emits radiation in the form of light and heat.
  • X-rays are a type of radiation that can pass through the body to create images of bones.

Very Simple Definition:

Radiation is a kind of energy that comes from different sources and can be harmful to living things. It can come in the form of light or heat, or even tiny particles.

For example:

  • When you stand under the sun and feel its warmth, that is a kind of radiation.
  • X-rays that doctors use to see inside your body are another type of radiation.

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