AQA · GCSE · Physics · Higher
Electromagnetic waves for satellite communication
Which group of electromagnetic waves is used for satellite communications?
Write your answer first. You can study the marking guidance whenever you need it.
Study the marking See what earns credit and compare it with a full-mark answer.
Marking points
- 1 Answers microwaves; radio waves are also accepted.
Full-mark answer
Microwaves.
Why this answer loses marks
Infrared waves.
Infrared is used for other applications; satellite communication needs the credited radio or microwave region.