Key Concept 11: Radioactivity- G10[ADV] by Huda Obied

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Take close look to the photo and identify how many sources of radiations

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Half life investigation

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keeping your iPad away from your body, or turning off your wireless signals by using your iPad in airplane mode. This will reduce the RF radiation exposure, but you will still be exposed to ELF radiation.

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Penetration power is defined as the ability of radiation to pass through the matter

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PENETRATION POWER

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Magnetic field

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examples-Decay

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Modeling half life

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Smoke detector

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1. Reducing exposure time 2.increasing the distance between the source and living tissue 3.using shielding ( LEAD -BOXES) to absorb radiation

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1.Radioactive materials such as used nuclear fuel are transported in special containers called casks 2. Sources with long half-life values present a risk of contamination for a much longer time 3.Radioactive waste with a long half-life is buried underground to prevent it from being released into the environment These casks can withstand extreme conditions such as fire, cold and being submerged in water

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