Karteikarten
Electromagnetic spectrum
Karten in diesem Stapel (9)
- 1What is the unit of frequency ?H
- 2Which part of the electromagnetic spectrum transfers the most energy ?Gamma rays
- 3Which have the longer wavelengths , microwaves or radio waves ?Radio waves
- 4How are radio waves produced ?By applying an alternative voltage to an aerial
- 5What happens to the wavelength if a wave source is moving away from you ?the observed wavelength increases
- 6Which galaxies are moving fastest ?The most distant ones
- 7How does red-shift show that the universe is expanding ?The furthest galaxies are moving the fastest so everything is expanding outwards
- 8What is the Big Bang theory ?The theory that the universe began with a massive explosion from a small initial point
- 9What happens to the wavelength of radiation as it changes from gamma to microwaves ?The wavelength increases
Informationen
- Beschreibung
- GCSE Physics Karteikarten am Electromagnetic spectrum, erstellt von nadine pownall am 23/05/2016.
- Erstellt von
- nadine pownall
- Aufrufe
- 16
- Bewertung