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Chemistry 10 Online
OpenStudy (anonymous):

how can we say that cathode rays travel in straight line?

OpenStudy (paxpolaris):

Cathode rays are electrons moving from cathode to anode unless influenced by secondary magnetic field

OpenStudy (anonymous):

how could we see these?

OpenStudy (paxpolaris):

try taking a magnet close to one of those old fat TVs, or computer screen(CRT=cathode ray tube)

OpenStudy (anonymous):

If you take a flouroscent substance on the cathode side like Zinc sulphide you can see their shadow like formation

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