Question

Which THREE choices correctly describe how electromagnetic radiation can be used in everyday life?AInfrared waves can be used to transmit heat in heatersBMicrowaves can be absorbed into the skin and used as radiation to destroy cancer cells.СInfrared light waves can be used to provide lighting, because they have a shoner wavelength and are safe for human useDWaves with a longer wavelength are safer lor people and can be used in household appliances such as televisions and cell phonesEWaves with a shorter wavelength such as gamma and x-rays, can be used for medical applications, because they can be transmitted through the skin.

Answer 1

The statements that are true are, statement A, statement D, and statement e.

The infrared waves are used in heater to carry the heat. IR are also used in remote controls. Thus, statement A is true.

The microwaves cannot be used to destroy the cancer cells as they have low penetration ability. Therefore this statment is not true.

Infrared waves are not used in lighting as they are harmful for the eyes. Visible lights are used for houshold lightings. Thus statement C is not true