KS3 Waves 02: Electromagnetic Spectrum Quiz

How many types of electromagnetic (EM) waves are there?

• Five

• Seven

• Eight

• Six

What type of wave are electromagnetic waves?

• Mechanical

• Surface

• Transverse

• Longitudinal

What is the speed of light in a vacuum?

• 600,000,000 metres per second

• 450,000,000 metres per second

• 300,000,000 metres per second

• 150,000,000 metres per second

Which mnemonic helps remember the order of electromagnetic waves?

• Remember My Instructions Very Under X-ray Glasses

• Run My Instructions Very Under X-ray Glasses

• Remember My Instructions Visible Using X-ray Glasses

• Run My Instructions Visible Under X-ray Glasses

Which type of wave is used for sending radio and television signals?

• Infrared

• Ultraviolet

• Microwaves

• Radio waves

What is a common use of microwaves?

• Heating food

• Sterilizing medical equipment

• Producing medical images

• Detecting forged documents

Which type of wave is emitted by all warm objects?

• Gamma rays

• Visible light

• Infrared

• Radio waves

Which type of electromagnetic radiation is visible to the human eye?

• X-rays

• Ultraviolet

• Infrared

• Visible light

What is a use of ultraviolet (UV) waves?

• Disinfecting water

• Producing medical images

• Sending internet signals

• Heating food

Which type of wave is commonly used to produce medical images of broken bones?

• X-rays

• Gamma rays

• Radio waves

• Infrared