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Module 3b - Very high energy rays pass easily through...

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Oil Drops and X-Rays Millikan oil drop experiment Negatively charged particles floated down As voltage increased attraction to positive plate increased and particle was suspended in air Able to see the mass of electron Mass of electron – 9.1 x 10^-28 gm Roentgens xrays
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Unformatted text preview: Very high energy rays pass easily through matter Radioactivity Some elements spontaneously emit radiation Only limited types of radiation are observed Types of radioactivity Alpha Beta – looks like an electron Gamma – no mass...
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