A 2.0-keV deuteron passes undeviated through a velocity selector with a magnetic field of 40 mT. What is the magnitude of the electric field in this device? a. 18 kV/m b. 20 kV/m 22 kV/m d. 24 kV/m с. е. 12 kV/m

A 2.0-keV deuteron passes undeviated through a velocity selector with a magnetic field of 40 mT. What is the magnitude of the electric field in this device? a. 18 kV/m b. 20 kV/m 22 kV/m d. 24 kV/m с. е. 12 kV/m

Intro Spectroscopy

5th Edition

ISBN:9781305221796

Author:PAVIA

Publisher:PAVIA

Chapter7: Nuclear Magnetic Resonance Spectroscopy: Part Three: Spin–spin Coupling

Section: Chapter Questions

Problem 24P

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The diagram shows a mass spectrometer used for measuring the masses of isotopes. It consists of an ion generator and accelerator, a velocity selector and an ion separator, all in a vacuum. In one experiment, tin ions, each of which carries a charge +1.6 × 10-19C, are produced in the ion generator and are then accelerated by a p.d. of 20kV. Tin has a number of isotopes, two of which are tin-118 (118Sn) and tin-120 (120Sn). (a.) In practice, all ions produced by the ion generator have a range of speeds. A velocity selector is used to isolate ions with a single speed. In the velocity selector, the isolated ions go through undeviated, though being acted upon by forces from both the electric and magnetic fields. (i.) The plates producing the electric field have a separation of 2.0cm. The potentials of the plates are marked on the diagram. What is the magnitude of the force on an ion due to this electric field in the velocity selector? (ii.) Write down the condition and equation which must…
The diagram shows a mass spectrometer used for measuring the masses of isotopes. It consists of an ion generator and accelerator, a velocity selector and an ion separator, all in a vacuum. In one experiment, tin ions, each of which carries a charge +1.6 × 10-19C, are produced in the ion generator and are then accelerated by a p.d. of 20kV. Tin has a number of isotopes, two of which are tin-118 (118Sn) and tin-120 (120Sn). (c.) After selection, the ions are separated using a magnetic field on its own, as shown in the diagram.(i.) Name the trajectory of the ions in the ion separator. Explain your answer.(ii.) Show that the radius of the trajectory is directly proportional to the mass of the ion.(iii.) On the ion separator, draw the trajectories of the two isotopes of tin tillthey strike the photographic plate P. Label your diagram.Explain why they strike the plates at different points.
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The diagram shows a mass spectrometer used for measuring the masses of isotopes. It consists of an ion generator and accelerator, a velocity selector, and an ion separator, all in a vacuum. In one experiment, tin ions, each of which carries a charge +1.6 × 10-19C, are produced in the ion generator and are then accelerated by a p.d. of 20kV. Tin has a number of isotopes, two of which are tin-118 (118Sn) and tin-120 (120Sn). (a.) In practice, all ions produced by the ion generator have a range of speeds. A velocity selector is used to isolate ions with a single speed. In the velocity selector, the isolated ions go through undeviated, though being acted upon by forces from both the electric and magnetic fields. Write down the condition and equation which must be satisfied if the ions are to emerge from the exit hole of the velocity selector. Define the terms in the equation. Redraw the section of thevelocity selector and indicate the different forces acting on the ions there and use it…