A pair of silver plates in a vacuum are separated by 1 cm and have a potential difference of 2.0 kV between them. What is the largest wavelength of light that can be shined on the cathode to produce a current through the anode?
Q: 5. A high energy pulsed laser emits 3.00 nano second-long pulse of average power 1.60 x 10¹¹ W. The…
A: P= PowerA= Area
Q: The Hall voltage across a piece of semiconductor is 5 V, the charge density of the semiconductor is…
A: A) The relationship between the Hall voltage and magnetic field in case of a semiconductor is given…
Q: 2) An average laser power of 100 watts is used for laser welding. The power density is 35 x…
A: The following data are given: Power of the laser, P=100 watts Power density(Intensity), I=35×108W/m2
Q: Assume that the range of visible wavelengths is 400 to 700 nm. 1. What is the minimum in the range…
A: We know that-Energy, E=hcλhere, 'C' is the speed of lighth is Planck's constant.as we can…
Q: Light with a wavelength of 350.0 nm falls on a cesium surface. What is the energy given by this…
A: incident wavelength (λ) = 350 nm metal surface = cesium surface Work function for cesium metal = 2.1…
Q: During a brown-out, the electric power company drops the voltage of the power line and the…
A: When the Voltage drops the current flow will also decrease, Which implies in the change in power…
Q: A carbon nucleus and an iron nucleus are initially located 5.60 nm apart from one another. How much…
A:
Q: Light with a frequency of 3.73 x 1015 Hz strikes a metal surface and ejects electrons that have a…
A:
Q: Consider that three electrons are confined to a one- dimensional box of length 10 Å. The lowest…
A: Given: The length of one-dimensional box is 10 Ao or 10×10-10 m. To determine: The lowest energy of…
Q: What is the minimum accelerating voltage required to produce a x-ray with a wavelength of 0.03 nm?…
A: wavelength λ=0.03nm=0.03×10-9m h=6.63×10-34Js (planck's constant)c=3×108m/s (speed of…
Q: When a photoconductor is exposed to light a. less current flows through it b.its resistance…
A: A photoconductor is a semiconductor device. It carries current when it is exposed to light.
Q: 6. Your rich uncle has just given you a very dangerous chemical laser that generates a…
A:
Q: which of the ff. is visible? a. wave with 90700000 Hz b. wave with 3.204 x 10^-19 J photon energy…
A: Visible light ranges from wavelength λ = 380 Ao to λ = 750 Ao Now as the speed of the light is…
Q: Which one is the equation for de Broglie wavelength. В. mv? С. 2meVpa h D. A. hl
A:
Q: The magnitude of the spin angular momentum, in terms of Planck's constant h, for a proton is A. 2.00…
A: The formula to calculate the spin angular momentum is, p=ss+1h2π
Q: de Broglie wavelength of a dusk speck
A: Mass of dusk speck is m=0.000001 kg Speed is v=600 m/s Find: de-Broglie wavelength.
Q: anode and a cathode. The electron emerges out from the anode with velocity 45109311.4 m/s. Find…
A:
Q: 2. Calculate the 20 values in the X-ray diffraction spectrum for the following crystallographic…
A:
Q: b. What is the energy, in electron volts, of an X-ray photon v 10-10 m?
A: NOTE : First question is incomplete , not given what to find. So writing answer for part b question.…
Q: ing, about cathode rays in a gas discharge tube A. High pressures are necessary in order to push…
A: Given: To find the correct statements among the given options as,
Q: If the energy of a wave of light is 9.8 × 10‐¹⁸ J. What is its energy in electron volts? A. 1 × 10¹⁹…
A: Conversion:
Q: 10. A high energy pulsed laser emits 2.50 nano second-long pulse of average power 2.20 × 10¹¹ W. The…
A:
Q: The X-ray diffraction studies show that copper crystallizes in an (FCC) unit cell with cell edge of…
A:
Q: 4. MILLIKAN EXPERIMENT. An oil drop with a mass of 3.1 x10-15kg absorbs 11 electrons, and then falls…
A: Given data: The mass of oil drop is m=3.1×10-15 kg. The number of electrons absorbed is n=11. The…
Q: a. An electron is found to a wavelength of A = 0.65 nm. What is the velocity of the electron? m/s b.…
A: (a) Using de-Broglie wavelength equation: λ=hmvv=hmλ where,…
Q: A beam of 150 eV electrons are directed at normal incidence onto a crystal surface. The m = 2…
A: According to the Bragg's law, 2d×sinθ = mλ where, d = spacing of the crystal layers θ = incident…
Q: Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV…
A:
Q: The work function of unknown metal surface is = 7.54 eV, find the minimum wavelength that light must…
A:
Q: Determine the distance between the electron and proton in an atom if the potential energy U of the…
A:
Q: 6. A high energy pulsed laser emits 2.00 nano second-long pulse of average power 2.20 x 10" w. The…
A: The equation for intensity in terms of power and area, I=PA Here, I is the intensity, P is the power…
Q: What is the photonic energy of an EM with the frequency of 60,000 GHz? A. B. 0.25 eV. 2.5 eV.
A: Given: The frequency is 60,000 GHz. To determine: The photonic energy of EM wave. The expression…
Q: 59. I Calculate all the wavelengths of visible light in the emissior spectrum of the hydrogen atom.…
A: The wavelengths of emitted light/photons, is given by the Rydberg formula 1λ=1.09677×10 71nf2-1ni2…
Q: What is the speed of an electron that has the same momentum as a photon whose wavelength in a vacuum…
A: The wavelength of photon = 380 nm The momentum of electron = The momentum of photon having…
Q: If a metal surface has a work function of 3 eV. Find the largest wavelength of light which will…
A: Given that, Work function (Wo)= 3 eV Or, (Wo)= 3× 1.6 × 10-¹⁹ J Wo= 4.8× 10-¹⁹ J We know that, hc/λ…
Q: Electrons are fired through a parallel plate apparatus as shown: 10. cm 8.0 x 10' m/s 2.0 cm If the…
A:
Q: A. Determine the energy of a photon with a 678.0 nm wavelength. B. Determine the wavelength of a…
A:
Q: Lasers can emit light into which part of the electromagnetic spectrum? A.) Lasers can only emit in…
A: LASER stands for Light Amplification by Stimulated Emission of Radiation. The color or wavelength of…
Q: The actual or basic data collected in an x-ray crystallography experiments is _______. a. 3D…
A: X-ray crystallography is a tool used for determining the atomic and molecular structure of a…
Q: 1. What is the frequency of 450 nm light?... How many electrons can occupy all orbitals with n=6
A: Given that,Wavelength of the light : λ =450 nm =450×10-9 mSpeed of light : c = 3×108 m/sHere we…
Q: spectromet yields the following data for a beam of doubly ionized (+2) sodium atoms: (B = 0.08 T),(r…
A:
Q: The wavelength of light emitted by an argon laser is 1 = 488.0 nm. What is the frequency of these…
A: Given Wavelength of the light is given as λ=488.0 nm=488.0×10-9 m We have to find the frequency of…
Q: H.W. For a X/4 dipole: 1. Find the radiation resistance. 2. Maximum directivity and maximum…
A: Solution
A pair of silver plates in a vacuum are separated by 1 cm and have a potential difference of 2.0 kV between them. What is the largest wavelength of light that can be shined on the cathode to produce a current through the anode?
A. 1.2 x 10-11 m
B. 8.0 x 10-11 m
C. 9.8 x 10-11 m
D. 6.2 x 10-10 m
E. 1.2 x 10-9 m
Step by step
Solved in 2 steps with 2 images
