Calculate the stopping potential for metal with the work function of 5.2 eV illuminated by a 150 nm source.
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A: Given: Loss is 0.05 m-1 v=0.05 m-1 Reflectivities of two mirrors R1=99.9 %=0.999 R2=95%=0.95
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A: Given The lifetime of excited state ∆t = 1.0×10-10 s
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Q: dn 2. A Fabry-Perot laser diode is operating at 1750 nm. The Laser Diode has a cavity length of 400…
A: Original wavelength of the laser, λ=1750 nm=1750×10-9 m Cavity length of the laser diode, L=400…
Q: Suppose the velocity of an electron in an atom is known to an accuracy of 2.8 x 103 m/s. What is the…
A: To calculate the minimum uncertainty in position, we will use the uncertainty principle formula
Q: A 26.4 eV electron has a 0.239 nm wavelength. If such electrons are passed through a double slit and…
A: Wavelength of the electron λ = 0.239 nm = 0.239×10-9m The angle between the original direction and…
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Q: The work function of sodium is 2.3 eV. What is the longest wavelength that can cause photoelectric…
A: Work function of sodium ( W ) = 2.3 eV
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Q: 1. Consider a Nd:YAG laser that is pumped with a diode laser. The configuration of this laser is…
A: Given, Length, l=5cm Reflectivity, r1=1r2=0.95 The loss coefficient, α=5%α=0.05 a. The small…
Q: Magnesium has a work function of 3.68 eV. Imagine we use this material as the cathode in a…
A: Given, Work function ϕ=3.68eV wavelength λ= 0.3×10-6m Let the Vs is the stopping potential.…
Q: A 633 nm helium-neon laser puts out 4.00 W of power with a beam 5.70 mm in diameter. The beam is…
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Q: The 54.0-eV electron has a 0.167-nm wavelength. If such electrons are passed through a double slit…
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Q: = 5. Consider a dielectric mirror that is made up of quarter wave layers of GaAs with n and AlAs…
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Q: Consider the spectral line of shortest wavelength corresponding to a transition shown in the figure.…
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Q: he value of o is about 4.24 eV for zinc. What is the maxin na zinc cathode can have if it is to be…
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Q: Calculate the X - ray angle for Si ( 111 ) and ( 200 ) peak , giving the lattice parameter of Si is…
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Q: X-rays of wavelength 0.0552 nm are scattered from a crystal with a grazing angle of 11.8°. Assume m…
A: This problem can be solved using Bragg's law.
Q: If violet light of wavelength 375 nm illuminates a metal, what voltage will completely stop the flow…
A: Solution: Write the Einstein's photoelectric equation for the maximum kinetic energy.…
Q: two metals A and B have work functions 8 eV and 12 eV respectively. Which metal has a lower cut-off…
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Q: Suppose the fractional efficiency of a metal surface with work function 1.42 eV is 1.0 x 10 14: that…
A: The work function of metal surface W = 1.42 eV Fractional efficiency f = 1.0 × 10- 14 Wavelength of…
Q: diffracted x-ray beam is observed from the (220) planes of cobalt at a 2? angle of 99.2° when x-rays…
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Q: A mid-infrared CO₂ laser emitting 10.6 um light is based on the cavity below. (a) Find the location…
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Q: A laser beam of 0.005 W with photon energy of 1.6 eV is incident on a GaAs PIN phot-detector. The…
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Q: The intensity of a laser in free space is150mW / m². The corresponding amplitude of the V electric…
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Q: Explain how X-ray absorption could be used to identify lumps of platinum (Z = 78) embedded in a…
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Q: A particular metal has a work function of 3.2 eV. What is the maximum energy of electrons ejected…
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Q: Coherence Length. Show that light of narrow spectral width has a coherence length le = 1²/AX, where…
A: We know that, ν=cλwhere, c is speed of lightλ is wavelength ν is the frequencywe can write,…
Q: (a) A beam of electrons is accelerated by a voltage of 180 V in a Davisson-Germer experi- ment. The…
A: Since you have posted multiple questions, we will provide the solutiononly to the first question as…
Q: The kinetic energy of an electron taken from a metal having a work function W = 1.36 eV with photon…
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Q: A p-n photodiode is fabricated from a semiconductor with a bandgap of 2.8 eV. Can it detect a…
A: No, the photodiode cannot detect the wavelength of 6000 nm because of the following reason: The…
Q: 1. See example 4.2 on page 112. For silicon at 300 K, calculate the clectron concentratión,…
A: Given: T=300K a. EC-EF = 0.25 eVb. EC - EF = 0.35 eVc. EC- EF=0.45 eV
Q: Show that electron pressure at T = 0 is: P = 2.N.Ef/5.V Does it makes sense to have pressure at 0…
A: Solution: The fermi-distribution function is given as The total number of the particle at T =0 K in…
Q: Prove that, to three-digit accuracy, h = 4.14×10−15 eV ⋅ s, as stated in the text.
A: 1 Joule in electrovolt can be expressed as
Q: a) A monochromator is used as shown in the setup below to obtain a single wavelength λ = 1.5 Å X-ray…
A: Bragg's law relates the diffraction angle 2θ with the distance between the parallel planes of atoms…
Q: How many photons are produced in a laser pulse of 0.291 J at 493 nm?
A: Given data: Total Energy (ET) = 0.291 J Wavelength (λ) = 493 nm = 493×10-9 m Required: The number…
Q: Light of wavelength 380 nm strikes a metal surface, ejecting electrons. They flow through empty…
A: Given,
Q: A single electron ion M(2-1)+ with atomic number Z<84 emits a photon during an unknown electronic…
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