if you change the frequency of the left electron, does the right electron's frequency change at the exact same moment? explain
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if you change the frequency of the left electron, does the right electron's frequency change at the exact same moment? explain
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- g12 Physics Quantum theoryThe electronic structure of a toms and molecules may be investigated using photo eletrons spectroscopy An electron in is to electron spectro mater Hoy a uniform electric field to a speed of 420kms-1 in 10µs. determine the kinetic energy of the electron Pho accelerated from nes @ 8.0x10-20 Nm 1.6x10-25 N.m 38 x 10-25 N.m d the electronic structune ota toms and maecules may be investigated using photo electron spectroscopy. An electron in a photo electron spectrometer is accelerated from rest by a uniform electric field to a speed of 420km s-lin 10,us Determine the magnitude ofthe work done on the election a b @ 160x10-25 16×10-191 490.102 50.10-201 4.0x10-2p.m L (A laser cannot produce more energy than is put into it. A laser can, however, produce pulses of light with more power output than the power input required to run the laser. Explain.
- Light with a frequency of 3.17 × 1015 Hz strikes a metal surface and ejects electrons that have a maximum kinetic energy of 5.7 eV. What is the work function of the metal?16. || At what speed is an electron's de Broglie wavelength (a) 1.0 pm, (b) 1.0 nm, (c) 1.0 um, and (d) 1.0 mm?The electronic structure of a toms and molecules may be investigated using photo eletrons spectroscopy An electron in is to electron spectro mater Hoy a uniform electric field to a speed of 420kms-1 in 10µs. determine the kinetic energy of the electron Pho accelerated from nes @ 8.0x10-20 Nm 1.6x10-25 N.m 38 x 10-25 N.m d the electronic structune ota toms and maecules may be investigated using photo electron spectroscopy. An electron in a photo electron spectrometer is accelerated from rest by a uniform electric field to a speed of 420km s-lin 10,us Determine the magnitude ofthe work done on the election a b @ 160x10-25 16×10-191 490.102 50.10-201 4.0x10-2p.m L (
- The constant stream of high speed electrons emerging from an "electron gun" were accelerated from rest by the applied voltage across parallel plates as shown in the diagram. (a) If the beam current is 0.24 A, how many electrons emerge from the aperture of the gun each second? AN electrons/second At (b) How fast are the electrons moving if the beam contains 1.5 x 10¹2 electrons/m? V = m/s applied. voltage aperture 20074. MILLIKAN EXPERIMENT. An oil drop with a mass of 3.1 x10-1$kg absorbs 11 electrons, and then falls through an opening in two parallel, horizontal plates 1.8 cm apart. The upper plate is positive. a) Determine the charge absorbed by the oil drop. b) Determine the required potential difference between the plates in order for the oil drop to be suspended between the two plates.In a CRT, electrons leave the filament as the current through the filament heats it upt. An anode then attracts the free electrons. According to Newton's second law of motion, the beam of electrons that emerges from the anode aperture will do this. a. Decelerate until they reach the fluorescent screen. b. Continue accelerating toward the flourescent screen. c. Spontaneoulsy decay into photons. d. Move at a constant speed toward the fluorescent screen.
- Two radio stations have the same power output from their antennas. One broadcasts AM at a frequency of 1000 kHz and one broadcasts FM at a frequency of 100 MHz. Which statement is true?A. The FM station emits more photons per second.B. The AM station emits more photons per second.C. The two stations emit the same number of photons per second.НА • Two copper nanowires are insulated by a copper oxide nano-layer that provides a 10.0- eV potential barrier. Estimate the tunnelling probability between the nanowires by 7.00-eV electrons through a 5.00-nm thick oxide layer. What if the thickness of the layer were reduced to just 1.00 nm? What if the energy of electrons were increased to 9.00 eV? ess Page T 17 System properties 6. EN - ) I hpA hypothetical atom (Fig. ) has energy levels at 0.00 eV (the ground level), 1.00 eV, and 3.00 eV. (a) What are the frequencies and wavelengths of the spectral lines this atom can emit when excited? (b) What wavelengths can this atom absorb if it is in its ground level?