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In the Davisson and Germer experiment, the velocity of electrons emitted from the electron gun can be increased by
- Option 1)
increasing the potential difference between the anode and filament
- Option 2)
increasing the filament current
- Option 3)
decreasing the filament current
- Option 4)
decreasing the potential difference between the anode and filament
Answers (1)
As we discussed in concept
Galvanometer in Davisson Germer Experiment -
To measure the small values of current:
- wherein
Electron is accelerated by applying potential difference between anode & cathode hence velocity of electron emitted from the electron gun can be increased by increasing potential difference between the anode and the filament.
Option 1)
increasing the potential difference between the anode and filament
This option is correct.
Option 2)
increasing the filament current
This option is incorrect.
Option 3)
decreasing the filament current
This option is incorrect.
Option 4)
decreasing the potential difference between the anode and filament
This option is incorrect.
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