MICROWAVEOVENS
In a microwave oven, microwaves emitted by a small antenna are directed into the cooking compartment, and as they enter, they pass a set of turning metal fan blades.
radio waves
it used to convey information from one place to another through intervening media,like- Radios and televisions
X Rays
used in hospitals to produce photograph of bone to check for break or fracture.They can penetrate less dense matter such body tissue and skin.
