Lesson 6.6.2.4
6.6.2.4 Uses and applications of electromagnetic waves Quiz: AQA Combined Science, Unit 23
20 questions
In partnership with Revision Ninja
Lesson 6.6.2.4, Uses and applications of electromagnetic waves: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 23: Waves, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
Radio waves are used for:
- Cooking food
- Medical imaging
- Sun tanning
- Television and radio
-
Which electromagnetic wave is used for satellite communications and cooking food?
- Ultraviolet
- Microwaves
- Infrared
- Radio waves
-
Which wave is used in electrical heaters, infrared cameras, and cooking food?
- X-rays
- Visible light
- Infrared
- Microwaves
-
Visible light is used for:
- Fibre optic communications
- X-ray imaging
- Heating food
- Satellite communications
-
Which electromagnetic waves are used in energy-efficient lamps and sun tanning?
- Radio waves
- Gamma rays
- Visible light
- Ultraviolet
-
Which electromagnetic waves are used for medical imaging and treating medical conditions?
- Infrared and visible light
- Radio waves and microwaves
- X-rays and gamma rays
- Ultraviolet and radio waves
-
Which component in food absorbs microwaves during cooking?
- Water molecules
- Carbon atoms
- Mineral ions
- Protein strands
-
Why are radio waves suitable for television broadcasting?
- Long wavelengths
- Short frequency
- High ionisation
- Visible spectrum
-
Why are X-rays used in medical imaging?
- Repelled by skin
- Reflected by blood
- Attracted to fat
- Absorbed by bone
-
Why is visible light suitable for fibre optic communication?
- Travels infinitely slow
- Penetrates deep earth
- Resists all heat
- Guided along fibres
-
Why is infrared radiation used in electrical heaters?
- Transmitted through air
- Absorbed by surfaces
- Ionises atoms directly
- Reflected by surfaces
-
A cooking device uses which type of electromagnetic wave?
- Microwaves
- Gamma rays
- Radio waves
- Ultraviolet
-
Which medical application uses ionising radiation?
- ECG heart monitoring
- Cancer treatment
- Ultrasound scans
- Laser eye surgery
-
What does an infrared camera detect?
- Sound waves
- Thermal radiation
- Ultraviolet light
- Radio waves
-
What do energy efficient lamps use ultraviolet to do?
- Reflect visible light
- Excite a coating
- Heat the filament
- Absorb radio waves
-
Which application uses the same type of electromagnetic wave as a sunbed?
- Optical fibre
- Energy efficient lamp
- Satellite TV
- Medical X-ray
-
Which medical application relies on highly penetrating electromagnetic waves?
- Radio broadcasting
- Microwave cooking
- Infrared scanning
- X-ray imaging
-
Why are radio waves unsuitable for detailed medical imaging of bones?
- Wavelengths too long
- Speed too slow
- Energy too intense
- Frequency too high
-
Why are ultraviolet photons used in energy efficient lamps instead of radio waves?
- Carry enough energy
- Are completely invisible
- Travel much faster
- Have longer wavelengths
-
Which medical procedure depends on the penetration of X-rays?
- Imaging bones
- Sterilising equipment
- Warming tissues
- Treating cataracts
Related quizzes
- Eukaryotes and prokaryotes Quiz · 4.1.1.1 · 20 questions
- Principles of organisation Quiz · 4.2.1 · 20 questions
- Communicable (infectious) diseases Quiz · 4.3.1.1 · 20 questions
- Photosynthetic reaction Quiz · 4.4.1.1 · 20 questions
- Homeostasis Quiz · 4.5.1 · 20 questions
- Sexual and asexual reproduction Quiz · 4.6.1.1 · 20 questions
- Communities Quiz · 4.7.1.1 · 20 questions
- Atoms, elements and compounds Quiz · 5.1.1.1 · 20 questions
- Animal and plant cells Quiz · 4.1.1.2 · 20 questions
- The human digestive system Quiz · 4.2.2.1 · 20 questions