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A Level Physics > Turning Points - Discovery of the electron (Extras) > Flashcards

Turning Points - Discovery of the electron (Extras) Flashcards

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1
Q

What is a suitable voltage for the filament in an electron gun?

A

<50 V

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2
Q

What is a suitable voltage for the tube in an electron gun?

A

> 250V

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3
Q

In Milikan’s oil drop experiment, what is the purpose of conducting the experiment with no electric field?

A

The oil droplets will be moving at their terminal velocity. From this, their radius can be measured

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A Level Physics (7 decks)

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