A certain laser produces light at a wavelength 800 nm in pulses that last 4 x 10-15 s.You should assume that uncertainties correspond to standard deviations.Give your answers with units.a) What is the energy of a single photon in the pulse?NumberUnitsb) What is the uncertainty on the photon energy?NumberUnitsc) What is the momentum of a single photon in the pulse?NumberUnitsd) What is the uncertainty on the photon momentum?NumberUnits

Heisenberg's Uncertainty Principle Heisenberg's uncertainty principle states that if the position of…

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What constraints does the uncertainty principle place on our knowledge of the world? To get a sense of scale, we’ll look at the uncertainty in speed for a confined electron and for a confined dust particle.a. What range of velocities might an electron have if confined toa 0.30-nm-wide region, about the size of an atom?b. A 1.0@mm@diameter dust particle (m ≈ 10-15 kg) is confined within a 5-μm-long box. Can we know with certainty if the particle is at rest? If not, within what range is its velocity likely to be found?
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A) Find the wavelength of a photon that has energy of 27 eVeV. Express your answer with the appropriate units. B) Find the wavelength of an electron that has energy of 27 eVeV. (The energy of the electron is its kinetic energy.) Express your answer with the appropriate units.
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The work function of cesium is 2.1 eV. ▾ Part A Determine the lowest frequency photon that can eject an electron from cesium. Express your answer with the appropriate units. Templates Symbols undo' rego Teset keyboard shortcuts Help Value Units Request Answer Part B Determine the maximum possible kinetic energy in electron volts of a photoelectron ejected from the metal that absorbs a 320-nm photon. Express your answer in electronvolts. Templates Symbols undo' redo Teset keyboard shortcuts Help Kmax= eV f= Submit
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