Understanding the Electromagnetic Spectrum

The video tutorial explains the electromagnetic spectrum, detailing various types of radiation such as radio waves, microwaves, infra-red radiation, visible light, ultra-violet radiation, X-rays, and gamma rays. Each type is associated with specific applications, from communication and cooking to medical imaging and sterilization. The tutorial emphasizes the spectrum's range and its practical uses in everyday life.

Which type of electromagnetic radiation is responsible for transmitting signals from TV stations to your home?

• Microwaves

• Radio Waves

• Infra-red Radiation

• Gamma Rays

What type of radiation is used to heat food quickly?

• Infra-red Radiation

• Radio Waves

• Microwaves

• X-rays

Which part of the electromagnetic spectrum is visible to the human eye?

• Ultra-violet Radiation

• Visible Light

• X-rays

• Infra-red Radiation

What type of radiation is used to detect forgery and can cause suntans?

• X-rays

• Ultra-violet Radiation

• Gamma Rays

• Radio Waves

Which type of radiation is used to see broken bones and detect hidden bombs?

• Gamma Rays

• Infra-red Radiation

• X-rays

• Microwaves