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Solution: What do Thomson’s investigation of cathode rays, Millikan’s ...

Question

What do Thomson’s investigation of cathode rays, Millikan’s oil-drop experiment, and Rutherford’s investigation of alpha, beta, and gamma radiation have in common?

 

a) Use of electrically charged plates

b) Use of radioactive sources

c) Direct observation of sub-atomic particles

d) Investigation of the nucleus

e) Each experiment is a scientific law