What are properties of cathode Ray's?
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Properties of cathode Ray's are :
- Cathode rays travel in straight lines.
- These rays are deflected by electric field. This is obvious because these rays are nothing but electrons.
- These rays travel normally from the surface of cathode.
- These rays are independent of the nature of the gas and electrodes placed in the discharge tube.
- Cathode rays possess high kinetic energy due to high speed, therefore they can exert high mechanical pressure.
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JJ Thompson performed about experiment in 1897 to study the properties of cathode rays by applying electric field.
- Cathode rays are attracted by positive plate and repelled by the negative plate.
- The consist of negatively charged particles
- note: properties of cathode ray generated from cathode made from different metals were the same.
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