Complete the table below by writing a suitable type of electromagnetic (e.m.) wave for each given use.
| Use | Type of e.m. wave |
|---|---|
| Remote controls for televisions | ______________________________ |
| Medical imaging of bones | ______________________________ |
| Sterilisation of medical instruments | ______________________________ |
Active telecommunication satellites in geostationary orbits are used to relay signals across earth.
State the type of electromagnetic wave typically used for satellite communications.
Describe the orbit of a geostationary satellite by stating two of its key features.
State the source of the energy that powers the solar panels on the satellite.
State how energy is transferred from the solar panels to power the electrical components of the satellite.
198 exam-style questions on CIE IGCSE Physics Electromagnetic spectrum, covering Electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.