About This Lesson
This demonstration shows that a metal cross blocks off a beam of electrons. Using a magnet, you can show how the electrons can be deflected, by distorting the shadow they cast.
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This demonstration shows that a metal cross blocks off a beam of electrons. Using a magnet, you can show how the electrons can be deflected, by distorting the shadow they cast.
Good explanation of a great demonstration for teachers new to physics.(nice for a reminder for people like me too) Thanks for uploading!!