Question

Transcribed Image Text:Now I advise you that start solving the problem in the order that I ask the questions. Neglect
BMS =?,v =?,r =?, left or right
the electron masses.
1
1. The mass difference between two isotopes is sometimes just a neutron mass. The
spectrometer should separate them very well. For such an isotope combination, the
difference in radius should be around 1 cm. That is r, – r, = 1 cm. In order to achieve
this, choose a magnetic field with a magnitude in Tesla (maximum magnetic field you
can obtain from a conventional magnet is around 2.5 T so be far away from this value)
and choose the direction also. Then determine the velocity of isotope you need. Last
calculate radius r of a Pb04 smallest isotope.
2. In order to produce this magnetic field, determine the current and number of turns,
radius and other parameters of a solenoid you need. Also show how you will position
Spectrometer
r
Eys ?, Bys
=?,Ws =?
1
Velocity Selector
this solenoid.
1
3. Now in velocity selector region, determine the magnitude and the directions of
magnetic, electric fields, length and the voltage (which will create electric field) that
you need to select ions with this velocity only (Eys =?, Bys =?, Vys =? , Lys =?).
4. What should be the power of the voltage supply that we will use in velocity selector
region?
5. Again, in order to produce the magnetic field in velocity selector region, determine
the current and number of turns, radius and other parameters of a solenoid you need.
Also show how you will position this solenoid.
6. By using the kinetic energy formulas from the first semester and using electric field
knowledge determine the direction and the magnitude of the electric field in this
region (Ece =?, Vace =?,). Make your calculations such that the ions are accelerated in
1 m that is take dce = 1 m. You may need to use some formulas from first semester
Eacc =? ,\Vacc =? ,dacc =?
1
1
Conductor Plates
lon acceleration
2
lonising Laser
K.E.jnitial = 1 eV
lon Production
1
again.
7. What should be the power of the voltage supply that we will use in the acceleration
Lead
rogion?
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