Quick Fletcher! Let's get back to the lab. I have an idea on how we can improve Thomson's method.
I'm right behind you, Robert Millikan. Lead the way!
Let's start by experimenting to determine the electric charge a single electron can carry.
Year-1909
What's the plan?
So, we're going to measure the charged water droplets in the electric field?
Interesting...the charge on the droplets is a multiple of the elementary electric charge. Unfortunately, this isn't accurate enough to convince people.
FAST FORWARD to the year 1910
I have an idea! My results will be more precise if I replace the water with oil droplets! The oil will fall in the space between the two electrically charged plates.
Fletcher!
Yes? I wonder what I missed?
The oil droplets became charged! I was able to balance the electric and gravitational forces and determine the charge on the droplets.
YES!!!!!
In the news.....Robert Millikan's oil drop experiment is the 1st to detect and measure the effect of an individual subatomic particle.
Great News!! You're receiving an award!
Year 1923
The Noble Prize in Physics goes to a man affiliated with the California Institute of Technology in Pasadena, CA, USA. His oil droplet experiment helped to quantify the charge of an electron. This contributed greatly to our understanding of the atom and atomic theory. ROBERT MILLIKAN!!!
NOBEL PRIZE IN PHYSICSpresented to Robert Millikan for his work on the elementary charge of electricity and the photoelectric effect.
Millikan's Oil Drop Experiment
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