In the Davisson and Germer experiment, how can we increase the velocity of electrons emitted from the electron gun?
1. | increasing the filament current. |
2. | decreasing the filament current. |
3. | decreasing the potential difference between the anode and filament. |
4. | increasing the potential difference between the anode and filament. |
On which surface is the electron beam made to fall in the Davisson-Germer experiment?
1. Iron crystals
2. Nickel crystals
3. Gold crystals
4. Cesium crystals
Which among the following verified the wave nature of electrons experimentally?
1. De-Broglie
2. Hertz
3. Einstein
4. Davisson and Germer