Experiment on photoelectric effect produced data whose variation is shown in the below graph. Find work function and value of hle. Also construct the energy levels of doubly-ionized Helium-atom. V, (volts) 1.656 (x1014 Hz)

Q: nitrog cule in air at 300 K? Assume that the molecule ng with the root-mean-square speed cules at…

A: GIVEN: Atomic mass of nitrogen = 14.0076u Here, we calculate the given as follow;

Q: Write Einsten’s photoelectric equation. State clearly how this equation is obtained using the photon…

A: Einstein's photoelectric equation is, Kmax=hν-ϕ0 Here, Kmax is the maximum kinetic energy of a photo…

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Q: Specimen Anwer Becket For Practice Purpose Only) 2.6 find the de Broglie novelength of (i) a neutron…

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Q: X-rays of wavelength = 0.140 nm are scattered from carbon. Part A What is the Compton wavelength…

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Q: Spectral Classification-- Procedure and Worksheet Note: In this lab all wovelengths are given in…

A: As per the guidelines, I will attempt the first three subparts. Since for Balmer Series the value of…

Q: Q1: The total energy in third orbit is (– 1.53 ev). Find. A- The radius of the orbit B- The velocity…

A: Given: Orbit of the electron (n) is 3. Energy of the third orbit is -1.53 eV. Introduction: Bohr…

Q: What is the maximum kinetic energy of photoelectrons ejected from sodium by the incident radiation…

A: Given that-Wavelength of incident radiation is 450 nmThe photoelectric equation,hf=ϕ+ K.Ehere, ϕ is…

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A: The energy of an atom with principal quantum number n is given as  E=-13.6z2n2 where z is the atomic…

Q: Calculate the number of photons of wavelength = 2.685 x 10-10 m that must be absorbed to melt a 3.82…

A: Given value--- wavelength = 2.685 * 10 ^ - 10 * m absorbed to melt a 3.82 g ice cube. The g heat of…

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Q: X-rays of wavelength 0.200 000 nm are scattered from a block of material. The scattered x-rays are…

A: Given, X-rays of wavelength, λ = 0.200 nm scattering angle, θ = 45.0°

Q: de Broglie wavelength (equation) is is the wavelength, 2, associated with a massive particle and is…

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Q: 10.2 A photon with a wavelength of 525 nm strikes an electron, which then moves with a speed of…

A: Step 1: Step 2: Step 3: Step 4:

Q: a. Draw an energy level diagram (doesn't have to be to scale) indicating the transitions that…

A: We know that for a particle trapped in an one dimensional infinite potential well (square) must have…

Q: The light of the "alpha line" in the Balmer series of the hydrogen spectrum has a wavelength of 6.58…

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Q: Light of wavelength 4.08 pm is directed onto a target containing free electrons. Find the wavelength…

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Q: Electron in G.S absorbing energy equal -3.41ev and transfer to second level. Calculates wavelength…

A: Let the energy absorbed by the electron in the ground state be ∆E and the wavelength of the photon…

Q: Q3 : Find the wave length of the electromagnetic radiation, which emitted, when a photon of energy…

A: Energy released in the transition from one orbit to another can be expressed as, E=hcλ

Q: Q. 1. What is the reason behind the glow in metals? How Plank’s formulated the energy in blackbody…

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Q: 1. Define threshold frequency of a metal. 2. What happens when is different light intensity was…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 1. Determine if each quantity below depends on the light intensity, the light wavelength, both, or…

A: Photoelectric effect

Q: At what velocity will an electron have a wavelength of 1.00 m?

A: Given that-Wavelength, λ= 1 mMass of electron, me= 9.11×10-31 kgWe know that-De-broglie wavelength,…

Q: Which of the following best describes the photoelectric effect? a) The emission of electrons from a…

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Q: Integrated ConceptsA carbon dioxide laser used in surgery emits infrared radiation with a wavelength…

A: Given : A carbon dioxide laser used in surgery emits infrared radiation with a wavelength of 10.6 μm…

Q: Q1: A nuclear bomb at the instant of explosion may be approximated to a blackbody of rad 1.3 m with…

A: Radius of black body = 1.3 m  Surface temperature = 10000000 kelvin

Q: = 3. The emission spectrum of Hydrogen has a bright blue-green line at 486 nm. This electron ends in…

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Q: 59. Through what minimum potential difference must an electron in an X-ray tube be accelerated so…

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Q: In an experiment done with a one-electron atom, wavelengths of the photons emitted from transitions…

A: Let the energy of n=1 level is E1 now, for one electron atom The ionization energy =E∞-E1

Q: Explain Stereo Lithography and Two-photon Lithography technologies. a. Explain concepts/principles…

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Q: Q3: A) Compare between two detectors Positive – Intrinsic - Negative and Avalanche photo-Detector?

A: Positive-Intrinsic- Negative diode is wide diode with  undoped intrinsic semiconductor between…

Q: Photoelectric attenuation refer to x-ray characteristic that has very low energy to be adsorbed by…

A: Answer: The Correct option is A.

Q: A certain radar installation that is used to track airplanes trasmits electromagentic radiation…

A: Time taken by pulse to reach airplane and to return is,

Q: Define Effect of potential on photoelectric current.

A: Given:  potential on photoelectric current

Q: 1. An electron initially moves in first excited state, if it absorb energy with frequency 5x10" Hz.…

A: Part 1: The energy of the electron in the first excited state is E1=-3.4 eV. The kinetic energy…

Q: 56. The maximum kinetic energy Ek of emitted electrons is measured in photoelectric experiments…

A: Here the maximum kinetic energy of emitted electrons is measured in photoelectric experiment. We…

Q: Consider a beam of electrons (each electron with energy E.) incident on a metal surface kept in an…

A: When beam of Electron is incident on metal surface kept in evacuated chamber ( each Electron  with…