Franck-Hertz apparatus

Franck-Hertz apparatus

Art No.20801.01

To prove Bohr's theroy of atomic energy level.

It takes a tube filled with argon as a F-H tube.

Voltage supplied to F-H tube:UG1K 1.3-5.0V,UG2K 1.3-1.5V,

UG3K 0-100V UN 3V,3.5V,4V,5V,5.5V,6.3V

No. of spectrum amplitude by point-measuring:=5

No. of spectrum amplitude on osclliscope:=3