lab physics 102

Question

lab physics 102

YaserAhmed · Answer

(1)
A - Electron Trajectory
B - Filament
C - Electron Gun
D - Helmholtz Coil
E - Ruler
(2)
The gas used in tube to visibly see the electrons is low pressure helium gas. The mechanism to see the electrons is that, the electrons collide with the few helium atoms present, causing them to flouresce and emit the blue light.
(3)
Using the right hand thumb rule, if the magnetic field needs to be to the right to pass through part E, then the direction of current should be clockwise in part D.
(4)
If e is the charge on the electron, equal to be 1.6 x 10-19 C and m is the mass of the electron, equal to 9.1 x 10-31 kg, then the theoretical value of e/m ratio would be,
e /m = 1.6 x 10-19 / 9.1 x 10-31 = 1.76 x 1011 C/kg is the theoretical value of the e/m ratio

YaserAhmed · Answer

(1)
A - Electron Trajectory
B - Filament
C - Electron Gun
D - Helmholtz Coil
E - Ruler
(2)
The gas used in tube to visibly see the electrons is low pressure helium gas. The mechanism to see the electrons is that, the electrons collide with the few helium atoms present, causing them to flouresce and emit the blue light.
(3)
Using the right hand thumb rule, if the magnetic field needs to be to the right to pass through part E, then the direction of current should be clockwise in part D.
(4)
If e is the charge on the electron, equal to be 1.6 x 10-19 C and m is the mass of the electron, equal to 9.1 x 10-31 kg, then the theoretical value of e/m ratio would be,
e /m = 1.6 x 10-19 / 9.1 x 10-31 = 1.76 x 1011 C/kg is the theoretical value of the e/m ratio

YaserAhmed · Answer

(1)
A - Electron Trajectory
B - Filament
C - Electron Gun
D - Helmholtz Coil
E - Ruler
(2)
The gas used in tube to visibly see the electrons is low pressure helium gas. The mechanism to see the electrons is that, the electrons collide with the few helium atoms present, causing them to flouresce and emit the blue light.
(3)
Using the right hand thumb rule, if the magnetic field needs to be to the right to pass through part E, then the direction of current should be clockwise in part D.
(4)
If e is the charge on the electron, equal to be 1.6 x 10-19 C and m is the mass of the electron, equal to 9.1 x 10-31 kg, then the theoretical value of e/m ratio would be,
e /m = 1.6 x 10-19 / 9.1 x 10-31 = 1.76 x 1011 C/kg is the theoretical value of the e/m ratio

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lab physics 102

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