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- Through how many volts of potential difference mustan electron, initially at rest, be accelerated to achieve awavelength of 0.27 nm?If a proton and electron are released when they are 2.0 m apart, find the initial acceleration of electron (in m/s?). The answer (in fundamental Sl unit) is (type the numeric value only)Two electrons repel each otherTwo electrons are held still at a distance of 1um from each other; if released, determine the modulus of the velocity of one of the electrons when it is 4um from the other.
- electron orbits the proton in uniformly circular motion. The radius of the circle is restricted (quantized) to certain values given by 1= n°ag, for n = 1,2,3,... where ag = 52.92 pm. What is the speed of the electron if it orbits in (a) the smallest allowed orbit and (b) the second smallest orbit? (c) If the electron moves to larger orbits, does its speed increase, de- crease, or stay the same?A 5.0 x 10 15 m. FIND THE EPE BERYLLIUM NUCLEUS CONTAINS FOUR PROTONS SE PARATED BY STORE D IN THIS NUCLEUS. THE CAPACITANCE OF A PARALLEL PLATE CAPACITOR 1S 15 uF. A DIFFERENCE OF POTENTIAL a) FIND THE b) FIND THE (5 %3D S 12.0 VOLTS IS PLACED ACROSS ITS PLATES . CHARGE ON E ACH PLATE ELE CTRIC FIELD BETWEEN THE PLATES IF THE SEPARATION PLATE Is 1.5 mm .In Millikan's oil-drop experiment, one looks at a small oil drop held motionless between two plates. Take the voltage between the plates to be 2340 V, and the plate separation to be 2.30 cm. The oil drop (of density 0.810 g/cm?) has a diameter of 4.15 x 10- m. Find the charge (in C) on the drop.
- The assignment will be completed after one hour and 15 minutes. I want to answer before this one and get a high rating An electron is released from rest near the negative plate. lf the voltage difference between the plates aV = Vba = 20 kv, what ould its velocity be when it reaches the positive plater (charge of the electron e= - 1.602x10C and mass of the electron me=9.109x10kg)How much work is required to set up the four-charge configuration of the figure if q = 4.50 pC, a = 44.4 cm, and the particles are initially infinitely far apart and at rest?(c) An electron moves a distance of 20 cm. The start location is at a potential that is 120 V lowerthan the potential at the ending location. Find the change in the electron’s potential energy inunits of eV first and then convert the answer to units of Joules.(d) When is it easier to calculate the energy in eV and then convert to Joules if necessary? Whenis it easier to calculate the energy in Joules first and then convert to eV if necessary?(e) For E level work: If the electric potential energy of an electron moving to a higher potentialis converted to light (a photon is emitted,) then the wavelength of the light is related to thechange in the electron’s energy U by the following relationship:λ = (1240 nm · eV )/U,where the energy is measured in eV. Use this relationship find the wavelength (in nm) of thelight emitted by the electron crossing a 1.5 V potential difference. In what part of the spectrum(radio, IR, visible, - and if so, what color UV, x ray, etc) is that? (you probably…
- Electrons are accelerated through a potential difference, Vo = 120 V, before exiting and being subjected to a new set of parallel plates. The electrons enter this region 5.0 cm from the bottom plate, and hit this bottom plate a distance of 5.0 cm in. If the total plate separation of this second set of plates is 8.0 cm, determine the voltage of the second source AND draw this source in, clearly showing the positive vs negative terminals of the battery. (m= 9.11 x10-³¹kg, q = -1.6x10-¹⁹℃) T P Vo Yo Yo DAn electron in the steady state in an infinitely high voltage well wide a = 10-1ºm. Calculate the force that the electron exerts on the walls while colliding with themThe cntial सन्ये the Sufunaf ow to Kis cartat at raclvus R is knowh Spherica! shll VCR,O)= Kcos (20) be What is पञ्जको the potential nsid Sphe- k and outs de of the