J.J. Thomson is best known for his discoveries about the nature of cathode rays. His other important contribution was the invention, together with one of his students, of the mass spectrometer, a device that measures the ratio of mass m to positive) charge q of an ion.
The spectrometer consists of two regions as shown in the figure. (Figure 1) In the first region an electric field accelerates the ion and in the second the ion follows a circular are in a magnetic field. The radius of curvature of the arc can be measured and then the m/q ratio can be found.
After being accelerated to a speed of 1.11x10 m/s, the particle enters a uniform magnetic field of strength 0.700 T and travel in a circle of radius 350 cm determined by observing where it hits the screen as shown in the figure. The results of this experiment low one to find m Find the ratio m/q.
After being accelerated to a speed of 1.11x10 m/s, the particle enters a uniform magnetic field of strength 0.700 T
Mass SpectrometerJ. J. Thomson is best known for his discoveries about the nature of cathode rays. Another important contribution of his was the invention, together with one of his students, of the mass spectrometer. The ratio of mass m to (positive) charge q of an ion may be accurately determined in a mass spectrometer. In essence, the spectrometer consists of two regions: one that accelerates the ion through a potential difference V and a second that measures its radius of curvature in...
After being accelerated to a speed of1.13×105 m/s, the particle enters a uniform magnetic field of strength 0.900 T and travels in a circle of radius 34.0 cm (determined by observing where it hits the screen as shown in the figure). The results of this experiment allow one to find m/q.Find the ratio m/q for this particle.
After being accelerated to a speed of 1.35×105 m/s , the particle enters a uniform magnetic field of strength 0.900 T and travels in a circle of radius 30.0 cm (determined by observing where it hits the screen as shown in the figure). The results of this experiment allow one to find m/q. Find the ratio m/q for this particle.
Consider an experimental setup where charged particles (electrons or protons) are first accelerated by an electric field and then injected into a region of constant magnetic field with a field strength of 0.25 T.Part (a) What is the potential difference, in volts, required in the first part of the experiment to accelerate electrons to a speed of 5.95 x 107 m/s?Part (b) Find the radius of curvature, in meters, of the path of a proton accelerated through this same potential...
In mass spectrometry, a sample’s molecules are ionized in a vacuum and then exposed to a uniform electric field created by a high-voltage plate in the acceleration chamber. The electric field accelerates the ions until they arrive at the next section of the device, designated as the separation chamber. In this section, the drifting ions are sorted by their mass-to-charge ratio (m/q). The separation chamber in a time-of-flight mass spectrometer (TOF-MS) is linear and has no electric or magnetic fields....
A particle injected into the area filled with uniform 0.1-T magnetic field with initial speed of 250 m/s follows the path shown in the Figure. Find the charge-to-mass ratio of the particle. B0.10T 0.20 m y = 250 m/s
A proton enters a region of constant magnetic field, perpendicular to the fie and after being accelerated from rest by an electric field through an electric potential difference of - 350 V. Determine the magnitude of the magnetic field, if the proton travels in a circular path with a radius of 21 cm. mt As shown in the figure below, when a charged particle enters a region of magnetic field traveling in a direction perpendicular to the field, it will...
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 940 V/m, and the magnetic fields in both the velocity selector and the deflection chamber have magnitudes of 0.920 T. Calculate the radius r of the path for a singly charged ion with mass m = 2.30 ✕ 10−26 kg. ..... mm A singly charged positive ion has a mass of 2.60 ✕ 10−26 kg. After being accelerated through...
1a) A charged particle with a charge-to-mass ratio of |q|/m = 5.7 × 108 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is 0.55 T. How much time does it take for the particle to complete one revolution? 1b) Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), each with a mass of 3.27 × 10-25 kg. The ions are accelerated from rest through a potential difference...
A charged particle is injected at 195 m/s into a 0.0773-T uniform magnetic magnetic field perpendicularly to the field. The diameter of its orbit is measured and found to be 0.0467 m. What is the charge-to-mass ratio of this particle?