A sample containing 12c, 16O, and an unknown isotope is analyzed in a mass spectrometer. As in the figure, the ions move around asemicircle before striking a photographic plate. The 12c* and 16ot ions are separated by 4.520 cm on the plate, and the unknownisotope strikes the plate 4.900 cm from the 12c* ions. What is the mass of the unknown element?Uniform B betweenpoles of magnetIonIons allsource| have same KELow-speedionsPhotographicplate orother detectorAVAcceleratingpotential

Radius of the circular path traced by a charge particle in the magnetic field is given by r=2Em12Bq…

Answered: A sample containing 12c, 160, and an…

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter13: Nuclear Structure

Section: Chapter Questions

Problem 8P

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Suppose you want to identify a bunch of particles using mass spectrometer. First, they are ionized with charge q= +1.6e-19 C. Then the particles pass through the velocity selector with a speed v= 6.7e6 m/s and enters a magnetic field B= 1.4 T. If they hit the detector 0.4 m away from the entry opening, what kind of particle are they? Options are: A. Deuterium (m= 3.34e-27 kg) B. Proton (m= 1.67e-27 kg) C. Helium 4 (m= 6.65e-27 kg) D. Beryllium 8 (m= 13.3e-27 kg)
Using the data shown in the table, calculate the path radius of the Ca+ ion. Ca+ path radius: Charge (x10-19 С kg) Mass Isotope |(x10-25 & TOOLS x10 Ca+ 0.666 +1.602 Ca?+ 0.666 +3.204 Ba+ 2.28 +1.602 Ba2+ 2.28 +3.204 Ra+ 3.75 +1.602 Ra2+ 3.75 +3.204 Ra3+ 3.75 +4.806 Using the same data table, match the particles to their Path A path label. Answer Bank Path B Ca²+ Ra3+ Ca+ Path C Path D Ba+ Ra+ Ba2+ Path E Ra2+ Path F Path G
At the heart of a magnetic resonance imaging scanner is a large electromagnet capable of generating strong uniform magnetic fields of around one Tesla or more. a) Describe the effect of this large magnetic field on the protons of the hydrogen nuclei within the molecules that make up tissue. A pulse of radio waves is used to excite these protons to a higher energy state. b) Explain why a precise frequency of radiation is required and how this affects the motion of the proton spins.
any speed up to 8.08 m/s (а) 8.33 (b) 9.15 N toward the nucleus m/s inward
An alpha particle is whizzing by at a velocity determined by its KE of 5 Mev. a ) What is the velocity of the alpha particle? b) What is the magnetic field at the position of a nucleus 2nm away from the alpha particle at angle of 900 to the velocity of the alpha. Alpha particle has charge of 2e but mass of 4 protons.
How many protons, neutrons, and electrons does the following ion have? 32 S2 16 O 32p, 16n, 18e O 16p, 32n, 14e O 32p, 16n, 14e O 16p, 16n, 18e
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A typical carbon nucleus contains 6 neutrons and 6 protons. The 6 protons are all positively charged and in very close proximity, with separations on the order of 10-15 meters, which should result in an enormous repulsive force. What prevents the nucleus from dismantling itself due to the repulsion of the electric force? a. The attractive nature of the strong nuclear force overpowers the electric force. b. The weak nuclear force barely offsets the electric force. c. Magnetic forces generated by the orbiting electrons create a stable minimum in which the nuclear charged particles reside. d. The attractive electric force of the surrounding electrons is equal in all directions and cancels out, leaving no net electric force.
1. What is the magnitude of the repulsive electrostatic force between two protons in a nucleus? Consider the distance between the centers of the protons to be 3.5 x 10^-13 m. If these protons were released from rest, Calculate the magnitude of their initial acceleration?
Two protons in the nucleus of a 238U atom are 6.0 fm (6.0x10-15m) apart. What is the potential energy (in joules) associated with the electric force that acts between these two particles? A.2.8x10-14 B. 3.8x1014 C. 5.0x10-9 D. 5.0x10-8
What is the dependence of the volume, surface and Coulomb terms on the mass number A in the SEMF? Coulomb term X Surface term X Volume term X A 1/3 A^(2/3) A¹/3 A-1/3 45/3 A CAN(2/3)
A solid copper sphere whose radius is 1.0 cm has a verythin surface coating of nickel. Some of the nickel atoms areradioactive, each atom emitting an electron as it decays. Halfof these electrons enter the copper sphere, each depositing 100 keVof energy there.The other half of the electrons escape, each carryingaway a charge e.The nickel coating has an activity of 3.70 *10^8 radioactivedecays per second. The sphere is hung from a long, nonconductingstring and isolated from its surroundings. (a) How longwill it take for the potential of the sphere to increase by 1000 V? (b)How long will it take for the temperature of the sphere to increaseby 5.0 K due to the energy deposited by the electrons? The heatcapacity of the sphere is 14 J/K.

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