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Indirect Measurement

Indirect Measurement. Predictions Ch. 1, Act. 6. Earnest Rutherford (1911) “The Gold Foil Experiment”. Bombarded gold foil with  particles from the radioactive decay of uranium 238 . Most of the particles traveled through very thin gold foil without being deflected.

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Indirect Measurement

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  1. Indirect Measurement Predictions Ch. 1, Act. 6

  2. Earnest Rutherford (1911)“The Gold Foil Experiment” • Bombarded gold foil with  particles from the radioactive decay of uranium238. • Most of the particles traveled through very thin gold foil without being deflected. • Occasionally, particles would deflect, sometimes at angles > 90o. • Results show that the dense positive charge is centrally located in the nucleus.

  3. wps.prenhall.com The Gold Foil Experiment • Rutherford's Gold Foil Experiment Note: The diameter of the atom was determined to be on the order of 100,000x larger than the nucleus!

  4. Indirect Measurement • The probability of landing in a certain area can be expressed as follows: Area of Interest total area P = x 100%

  5. http://www.youtube.com/watch?v=FfY4R5mkMY8&feature=related

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