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: The kinetic energy of an electron is 2.74 x 10-19 J. Which of the following is closest to its de…

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Q: An electron orbiting a hydrogen atom transitions from n=6 to n=2. What is the wavelength of the…

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

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: The following observations are made about the photoelectric effect : 1. No electrons are emitted…

A: For a given photosensitive material, there exists a certain minimum cut-off frequency of the…

Q: An electron jumps from the 2nd level (-10 ev) to the 5th energy level (-1.0 eV) Ionization State…

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Q: The work function of sodium is 2.3 eV a) What must be the maximum wavelength of light to remove…

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Q: Photons of a certain ultraviolet light have an energy of 6.08 x 1019 J. (a) What is the frequency of…

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Q: Metal 1 has a larger work function than metal 2. Both are illuminated with the same short-wavelength…

A: Work function: It is defined as the least amount of thermodynamic energy required to emit an…

Q: In an electron microscope, through approximately how many volts of potential difference must…

A: Given: The DE Broglie wavelength (λ) = 1.0×10-10 m.

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: A particle of matter is moving with a kinetic energy of 5.27 eV. Its de Broglie wavelength is 4.38 x…

A: Given data, Kinetic Energy KE=5.27 eV Wavelength λ=4.38×10-12 m

Q: Light with wavelength of 721 nm is incident on a metal resulting in electrons with speeds up to…

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Q: 3- An electron is moving with a speed of 4.00 x 10° m/s. What is the speed of a proton that has the…

A: Option b Is the right answer  2.18 km/s

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: The uncertainty in the location of a particle moving with velocity 7.28 X 107m /s is two times its…

A: The velocity of particle is given as, v = 7.28×107 m/s The uncertainty in location of particle is…

Q: A photon collides with a stationary electron and makes an angle 60o after the collision. The final…

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Q: a) Draw a graph that shows the relationship between the frequency of the incident radiation and the…

A: Given information: The graph of frequency vs kinetic energy: From the above graph we can identify…

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…

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Q: If a proton and an electron have the same speed, which has the longer de Broglie wavelength?…

A: Given that:A proton and an electron have the same speed.

Q: A hydrogen atom initially in the n = 3 level emits a photon and ends up in the ground state. (a)…

A: Multiply both sides by hc we get hc/λ = Energy = hcR(1/n12 - 1/n22)   hcR =…

Q: An electron sitting in the -4eV energy level of this atom is struck with a photon and as a result it…

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Q: a) The diagram shows the energy level diagram for a hydrogen atom. O eV. -0.38 eV. -0.54 ev -0.85 ev…

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Q: In the Bohr model what is the ratio of the radius of orbit n = 2 to the radius of orbit n = 8?   a.…

A: (1) ratio of the radii of the orbits

Q: 7) Find the wavelength of the photon as an electron makes a transition from n=4 to n=3. for particle…

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Q: 7. The X-rays detected at a scattering angle of 0 = 65° in the figure have a wavelength of 1.90 nm.…

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Q: Using the Rydberg equation provided below determine the wavelength as well as the energy for a…

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Q: a) Calculate the de Broglie wavelength of a 0.80 kg ball moving with a constant velocity of 26 m/s…

A: a) The expression for find de-Broglie wavelength is λ=hmv Substitute values in the above equation…