Is a photon absorbed by atoms when its energy is less than the energy difference between orbits? electrons in an atom? * No Probably Yes
Q: By depending on Bohr model, if the radius of the orbit is 1x 10*(-6) meters, then what is the energy…
A: Radius of orbit= 1x 10*(-6) meters
Q: A 3.2 eV photon hits a metal electrode with a work-function of 2.3 eV. What can be said about this…
A: Given information: The energy of the incident photon (E) = 3.2 eV The work function of the electron…
Q: According to the Bohr model, what is the speed of an electron in the n = 4 orbit of a hydrogen atom?…
A: Given that n=4
Q: An electron jumps from the 2nd level (-10 ev) to the 5th energy level (-1.0 eV) Ionization State…
A:
Q: QUESTION 46 An electron absorbsa photon as it moves from an energy level at E--16x 1019 1 to an…
A: The energy of the photon can be determined as, Here, Ef and Ei represent the final energy and the…
Q: An electron sitting in the -4eV energy level of this atom is struck with a photon and as a result it…
A: (given) Energy of an electron = - 4 eV Energy level rises of an electron = -1.8 eV h is the planck's…
Q: A metal which has a threshold wavelength 2.3x1°m is irradiated by a light of wavelength 1.8x1°m.…
A: Given: The threshold wavelength is 2.3x10-9 m. The wavelength of the light is 1.8x10-9 m.
Q: Light strikes a metal surface, causing photoelectric emission. The stopping potential for the…
A: When light of suitable frequency incident on metal surface causes emission of electron this…
Q: None
A: To calculate the de Broglie wavelength (λ) of an electron moving at a speed of 0.00610c, follow…
Q: Suppose an electron and proton have the same kinetic energy. How do their deBroglie wavelengths…
A: Given data The kinetic energy of both proton and electron is same. The expression for the…
Q: JC-30) White Dwarfs A white dwarf is a very dense star, with its ions and electrons packed extremely…
A:
Q: A proton is located at a distance of 0.457 m from a point charge of +8.56 μC. The repulsive electric…
A:
Q: piece of metal just starts ejecting electrons when photons of wavelength of 200 nm strike its…
A: frequency ν =c/λ
Q: What is the energy of an electron with wavelength 680nm
A: Given data: The wavelength is λ=680 nm×10-9 m1 nm=680 nm×10-9 m Standard values: Planck's…
Q: Green light shining on a sodium surface causes photoelectrons with maximum kinetic energies of 0.22…
A: Given that---- maximum kinetic energy = 0.22 eV. Work function = 2.28 eV. Question ❓ what is…
Q: 5 A beam of high energy electrons is incident on a iridium (Z=77) target. One of the the electrons…
A: Given: The electron makes a transition from n=3 to n=1. The angle between the free electron and…
Q: (i) What is the De Broglie wavelength of an electron traveling at a speed of 1.5 X106 m/s and (ii)…
A: Thee speed of the electron is 1.5×106 m/s.
Q: An electron in a hypothetical atom absorbs exactly 12.0 eV of energy, making it jump from energy…
A: The increasing order of the energy per photon among X-ray, green, IR, UV, Gamma, Radio…
Q: The work function of a metal is is 2.04 e V. What will be the frequency of light required to eject…
A: Given Data : The work function of the metal is given as ϕ=2.04 eV1.6×10-19 J1 eV=3.264×10-19 J
Q: An electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength…
A:
Q: An electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength…
A: It is given that, E1=-4 eV=-4×1.6×10-19 Vλ=431 nm=431×10-9 m
Q: QI What is the kinetic energy of a proton if the de Broglie wavelength is 1 x 10-15 m, the proton…
A: According to the deBroglie wave equation, λ=h/p = h/√(2mE) Where, λ= wavelength h = 6.626×10-34 js…
Q: A lamp that emits photons of wavelength 200nm is used un a photoelectric effect demonstration.…
A: Wavelength of photon, C= 200 nm Area of plate, A = 0.01 m Current produced, I = 5 mA Number of…
Q: QI What is the kinetic energy of a proton if the de Broglie wavelength is 1 x 10-15 m, the proton…
A: Given: The de Broglie wavelength is 1x10-15 m. The rest energy of the proton is 0.938x109 eV.
Q: O wavelength is directly proportional to the square of momentu wavelength is inversely proportional…
A: De Broglie's equation
Q: An electron sitting in the -4eV energy level of this atom is struck with a photon and as a result it…
A: Energy gained by the electron is given as the difference between the levels, that is E=-1.8-(-4)=2.2…
Q: Calculate the radius of the orbital and the velocity of the electron in the second orbital = n2 for…
A:
Q: 6. Lead (Pb) O = 4.3 eV Copper (Cu) 0 = 4.7 eV Nickel (Ni) O = 5.2 eV Three different metals are…
A: From the question, it is given that- Work function of Lead: ϕpb=4.3 eVWork function of Copper:…
Q: For the emission line spectrum of Hydrogen atoms, determine the shortest wavelength in the Lyman…
A: When an electron jumps from a higher energy level to a lower energy level, it emits energy in the…
Q: What velocity must an electron travel with for its kinetic energy to equal the energy of a photon…
A: The energy of a 520nm photon is given by Plank's formula as,
Q: peed but different momentum the same speed and the same m speed and the highest momentur
A: Given: To explain the correct statement among the given statement as,
Q: Question 8 options: If an object is heated it will emit higher energy photons than it did when it…
A: When an object is heated the peak which emits maximum energy density will move towards the low…
Q: 2. a) Davisson and Germer, and G.P. Thomson demonstrated the wave nature of electrons in 1927 by…
A:
Q: Give the velocity of electrons with a wavelength of 6.26 nm in units of 105 m/s
A: Using De-Broglie relation The wavelength of the particle is given by Where h = Planck constant =…
Q: When the electron in a hydrogen atom falls from n = 7 to the ground state energy level, a photon is…
A:
Q: 0 1.51 3.40 Energy (eV) 13.6 O O O O O 3.4 eV 13.6 eV 1.9 eV 10.2 eV 1.5 eV x=4 n=3 n=2 * =1 71 = 00…
A:
Q: The de Broglie wavelength of a proton (m= 1.62 e-27-kg) is 6.25 e -7-m, how fast is the proton…
A:
Q: An electron and a proton have the same kinetic energy and are moving at speeds much less than the…
A: Given: Kinetic energy of electron is equal to the kinetic energy of proton, Ke=Kp. Mass of electron…
Q: What is the de Broglie wavelength of an electron accelerating from rest through a potential…
A:
Q: 9. Calculate the deBroglie wavelength of the electron in a singly ionized helium atom when it is…
A:
Q: 21 Green light shining on a sodium surface causes photoelectrons with maximum kinetic energies of…
A: The maximum kinetic energy of the photoelectrons ejected from the surface can be determined as,…
Q: Which statements are true? Select those that apply. A photon has spin angular momentum…
A: We are well known that electromagnetic radiation shows dual nature. The quanta for these radiations…
Q: Light strikes a metal surface, causing photoelectric emission. The stopping potential for the…
A:
Is a photon absorbed by atoms when its energy is less than the energy difference between orbits?
electrons in an atom? *
No
Probably
Yes
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