5 Questions
What did Robert Andrews Millikan's oil drop experiment reveal about the charge of every oil drop?
The charge on every oil drop was an integral multiple of $1.6 imes 10^{-19}$ Coulomb
According to Ernest Rutherford's foundation, where is most of the mass of an atom concentrated?
In the extremely charged nucleus
Who informed the world about the third subatomic particle that was neutral and a part of the nucleus?
James Chadwick
What did Robert Andrews Millikan deduce about the charge of Thomson's electrons based on his oil drop experiment?
The charge of Thomson's electrons is $1.6 imes 10^{-19}$ Coulomb
In which year did Ernest Rutherford lay the foundation that the atom consists of an extremely charged region called nucleus?
1911
Study Notes
Subatomic Particles
- Robert Andrews Millikan's oil drop experiment revealed that the charge of every oil drop is a multiple of the elementary charge (e).
- Most of the mass of an atom is concentrated in the nucleus, according to Ernest Rutherford's foundation.
- James Chadwick informed the world about the third subatomic particle, the neutron, which is neutral and a part of the nucleus.
- Based on his oil drop experiment, Robert Andrews Millikan deduced that the charge of Thomson's electrons is a discrete quantity, and that the charge of every electron is identical.
- In 1911, Ernest Rutherford laid the foundation that the atom consists of an extremely charged region called the nucleus.
Quiz: Millikan Oil Drop Experiment Test your knowledge of the Millikan Oil Drop Experiment, a groundbreaking study in physics that determined the charge of the electron. Explore the key concepts and discoveries from this experiment.
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