Satellites are used for weather monitoring and scanning the entire Earth's surface over a period of time. Which row correctly shows the type of orbit used for this purpose and the electromagnetic waves used to transmit the signals to Earth?
polar orbit, infrared
polar orbit, microwaves
geostationary orbit, infrared
geostationary orbit, microwaves
100 exam-style questions on CIE IGCSE Physics 6.1 The Earth and the Solar System, covering 6.1.1a Rotation of the Earth, the seasons and the Moon, 6.1.1b Average orbital speed, 6.1.2a Contents of the Solar System, 6.1.2b Formation of the Solar System, 6.1.2c Gravitational field strength of a planet, and 6.1.2d Orbits and gravitational attraction. Each one has a worked solution and a mark scheme showing where the marks go.