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Byju's Answer
Standard IX
Chemistry
Cathode Ray Experiment
In a cathode ...
Question

In a cathode ray tube, what is the effect on the beam of particles if a hotter filament is used ?

A
Rate of electron emission remains unchanged
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B
Rate of electron emission decreases
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C
Rate of electron emission increases
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D
Rate of electron emission increases then decreases
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Solution

The correct option is C Rate of electron emission increases
Hotter filament will increase the temperature.
Hence rate of electron emission will increase.

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