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- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . Saltwater contains an equal number of positive and negative ions. When saltwater is flowing through a pipe, does it constitute an electric current?(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . Explain how electromagnetic waves are a natural outcome of the principles of electromagnetism.(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . Aircraft equipped with powerful radar units are forbidden from using them when parked on the ground near people. Explain why this is so.
- Tha values are 5.20 V, 1.16 mA, and 2.04 mAThe 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.
- 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.) 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…What percentage of Stanley Milgram's participants shocked all the way to 450 volts?Using magnetic confinement, one particle is restrained to levitate over another. What is this separation when the particles are two electrons in meters?
- Who invented the microwave oven in 1946 as an accidental by-product of wartime? About how many yards are in 8 meters(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A 20-A fuse in a household electric circuit burns out. What catastrophe could occur if it is replaced by a 30-A fuse?Do the unit conversions necessary to show that hc=1240eVnm, as stated in the text.
