Physics-
General
Easy
Question
Why was it important for Thomson to evacuate the air from the apparatus?
- Electrons travel faster in a vacuum, making the deflection d1 smaller.
- Electromagnetic waves propagate in a vacuum.
- The electron collisions with the air molecules cause them to be scattered, and a focused beam will not be produced
- It was not important and could have been avoided.
The correct answer is: The electron collisions with the air molecules cause them to be scattered, and a focused beam will not be produced
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