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Millikan’s Oil Drop Experiment

Millikan’s Oil Drop Experiment

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Millikan’s Oil Drop Experiment

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  1. Millikan’s Oil Drop Experiment By Mr. Christian Walleck

  2. Robert Millikan Childhood Work Schooling Physics

  3. Childhood • Born March 22, 1868 in Morrison Ill. • Robert was the 2nd son of Reverend Silas Franklin Millikan and Mary Jane Andrews • Lived in Iowa Back

  4. Schooling • Attended Maquoketa High School • Went to Oberlin College in Ohio • His favorite subjects were Greek and Mathematics Back

  5. Work • Worked as a court reporter before college • Taught Elementary Physics for 2 years • Wrote many physics books. • Physics professor Back

  6. Physics Contributions Photoelectric Effect Oil Drop Experiment The End Cat The End Cat

  7. Oil Drop Experiment • Tiny oil drops were shot into an enclosed space • One charged drop was suspended between two charged plates • The weight of the oil drop was offset by the applied electrical force • By setting the electrical force equal to the known weight of the oil drop, the charge on the drop was found. Next

  8. Next Back

  9. Oil Drop Experiment • All of the oil drop’s charges were a multiple of -1.6 x 10 -19C This proved that 1 electron had the charge of -1.6 x 10 -19C Victory Back Home

  10. Photoelectric Effect • The particle theory of light was first presented by Einstein • Millikan tested Einstein’s theory and proved it • Millikan is considered one of the fathers of modern particle physics Next

  11. Photoelectric Effect Excited electrons leave metal. Light waves hit a metallic substance. Home Back

  12. The End Can Go ada