9 what are cathode rays and how do you make them describe in detail th
Search for question
Question
9. What are cathode rays and how do you make them? Describe in detail Thomson's experiment credited with the "discovery" of the electron. What did Thomson actually measure? Describe in
detail the Millikan oil-drop experiment. What quantity did this experiment measure and how? Describe the Hall effect. What practical device can it be used for? Describe what amass spectrometer is, how it works and what it is used for.