What is a everyday example of radiation?

Answer 1

light bulb, radiating heat, the sun, microwaves, radio, glow-in-the-dark paint

You might need to be more specific about the type of radiation you are interested in - for example radioactive decay produces α, ß, and γ radiation along with electromagnetic radiation.

Answer 2

One everyday example of radiation is sunlight. The sun emits electromagnetic radiation that warms the Earth and provides light for us to see.