Flashcards
Waves light and sound
Flashcards do conjunto (12)
- 1Longitudinal wave, what direction does the wave travel in?Wave travels in the same direction as particle movement (pressure wave)
- 2What direction does the wave of a transverse wave travel in?Wave travels perpendicular to movement (Mexican wave)
- 3What type of wave is electromagnetic radiation (transverse/longitudinal)Transverse
- 4What type of wave is a sound wave? (Transverse/longitudinal)Longitudinal
- 5When does the speed of sound travel faster?In warm moist air, compared to cool dry air
- 64 elements of imaging systemsEnergy source, imaging system, defector, processing system
- 7The loudness of a sound depends on 3 things:Energy (of the sound source), composition (of the medium through which the sound is travelling), distance (between source/listener)
- 8What can you shield an alpha particle with?Paper, skin, clothing
- 9What stops a beta ray?Iron thick metal/plastic
- 10What stops a gamma ray?Shield with thickness of lead and concentrate
- 11What is a half life?The time taken for an isotope to decay by 50%
- 12Inverse square ruleRadiation intensity decreases with square of distance from source
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- FlashCards sobre Waves light and sound , criado por Rebecca A em 25-05-2018.
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- Rebecca A
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