Flashcards
Electromagnet Waves
Flashcards do conjunto (11)
- 1the further away the galaxy, the bigger the _____red shift
- 2The red shift suggestsgalaxies are moving away from us
- 3what has happened to the gamma radiation produced at the time of the Big Bang?It has become stretched out to microwave lengths
- 4the hotter an object the ___ radiation it emitsmore
- 5visible light, infra-red radiation, microwaves and radio waves are all used for _______communication
- 6All electromagnets can travel through a _____ at the same ____vacuum, speed
- 7____ rays have the shortest wavelength and highest _______gamma, frequency
- 8____ rays have the lonest wavelength and lowest _______radio, frequency
- 9The higher the frequency of an electromagnet wave, the more ____ it transfersenergy
- 10What is the Doppler Effect?When a source moves towards an observer, the observed wavelength decreases and the frequency increases. When a source moves away from an observer, the observed wavelength increases and the frequency decreases. This effect, where there is a change in frequency and wavelength, is called the Doppler effect.
- 11Blue shift indicates the galaxies are moving ________towards us
Informações
- Descrição
- A Levels Science FlashCards sobre Electromagnet Waves, criado por smn em 28-05-2013.
- Criado por
- smn
- Visualizações
- 34
- Tags
- Avaliação
Mais sobre Electromagnetic spectrum