Light from a laser has a wavelength of 404 nm. What is the energy of the light in electron-volts (eV)?

Q: What is the wavelength of the photon with energy E = 3.1 × 10-16 J. Use the unit of nm for the…

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Q: What is the energy in joules of an x-ray photon with wavelength 3.10 ✕ 10−10 m?   J  (b) Convert the…

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Q: A measurement is made of a photon’s energy (from a laser) that results in an uncertainty in the…

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Q: Calculate the binding energy in eV of electrons in aluminum, if the longest-wavelength photon that…

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Q: The kinetic energy of an electron is 2.70 eV. What is its kinetic energy in joules?

A: The kinetic energy in joule is 4.32×10 ^-19 joule.

Q: What is the wavelength of an electron moving at 2.50% of the speed of light?

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Q: an electron in a He+ ion is orbiting the nucleus at a distance of "0.265" A. what is the electron…

A: The distance of electron (radius of electron orbit) of the He+ ion r=0.265 A0=0.265×10-10 m The…

Q: The human eye is most sensitive to yellow-green light having a frequency of about 5.45 × 1014 Hz (a…

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Q: What is the wavelength, in nm, of a photon with energy (a) 0.30 eV, (b) 3.0 eV, and (c) 30 eV? For…

A: The energy of the photon and its wavelength are related as; E=hcλ…

Q: The energy (in electron-volts) for a photon with a wavelength 439.8 nm is:

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Q: What is the energy in joules and eV of a photon in a radio wave from an AM station that has a…

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Q: The color blue has a wavelength of 475 nm. What is the energy of a blue photon? (h = 6.626 x 10^-34,…

A: wavelength of blue color = 475 nm

Q: A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of radiation…

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Q: A surface absorbs a photon with an energy of 3.4x10-19 J, and ejects an electron with a kinetic…

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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: The energy of a photon is given by 6.7 × 10-15 J. What is the energy of the photon in the unit of…

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Q: The work function of a metal is 1.86 eV.calculate the wavelength of the light that should be used to…

A: Given values:The work function of a metal = 1.86 eV =1.86 x 1.6 x 10-19 JPlank’s constant, h = 6.626…

Q: s a wavelength of 586 nm. What is the en

A: GivenWavelength of laser light, λ=586 nm

Q: . A laser gives off a monochromatic ultraviolet light with a wavelength of 344 nm. What is the…

A: Given data :- wavelength λ = 344 nm

Q: What is the wavelength of the photon with energy E = 5.4 × 10-15 J. Use the unit of nm for the…

A: Write a given values of this question. E=5.4×10-15Jh=6.63×10-34J-sc=3×108m/s

Q: 10-mW laser emits light that has a wavelength of 780 nm. At what rate are photons being emitted from…

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Q: The light from a laser has a wavelength of 500nm. What is the energy of one photon?

A: Wavelength =500nm=500×10^-9m

Q: A singly ionized helium atom has an electron in the n = 4 state. What is the kinetic energy of the…

A: The total energy of an electron in a Helium atom can be calculated as follows.

Q: A laser emits light at wavelength A = 598 nm in a beam of diameter 3.7 mm and at an energy-emission…

A: Given  Wavelength λ = 598 nm = 5.98×10-7 m Diameter d = 3.7mm = 3.7×10-3 m Energy-emission rate P =…

Q: а. Perform one sample calculation: to calculate AE in J and wavelength A in nm and complete the…

A: When the heat is provided, the electrons get excited from one energy level to the upper energy…

Q: An excited electron drops to its ground state, emitting a photon of frequency f = 5.10×1015 Hz. What…

A: Given data The frequency is f=5.10×1015 Hz   The energy of the photon is, E=hf Here h is Planck's…

Q: An x-ray tube has an applied voltage of 495 kv. (a) What is the most energetic x-ray photon it can…

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Q: What is the binding energy in eV of electrons in magnesium, if the longest-wavelength photon that…

A: (given) Longest wavelength (λ) photon can eject electrons = 337 nm= 337×10-9m Kinetic energy of…

Q: What is the energy, in eV, of an x-ray photon with a wavelength of 7.00x10-2 nm?

A: (given)       Wavelength of x ray photon  = 7×10-2 nm…

Q: The wavelength of light emitted by an argon laser is ? = 488.0 nm. What is the frequency of these…

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Q: The average energy of a photon in a pulsed laser beam is 2.39 eV, with a minimum uncertainty of…

A: Given : Average energy of a photon is 2.39 eV.             Minimum uncertainty energy is 0.0155 eV.…

Q: A certain microscopic object has a wavelength of 8.4 x 10*-14 m and a speed of 1.2 × 10*5 m/s. What…

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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: An electron in the 3 rd principal energy level w

A: For hydrogen atom , expression of energy , En= -13.6 /n2 ev where n is principle quantum number…

Q: The frequency of a transition is 5.4 × 1015 Hz. What is the corresponding wavelength?

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Q: Q3: Calculate the work function of a substance, if the threshol wavelength is 590 nm. (Planck's…

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Q: The radius of a calcium atom is approximately 0.23 nm. What is the ionization energy?

A: The expression for the nth ionization energy is, En=Z2e28πε0r n2 The atomic number of Calcium atom…

Q: What is the energy of an electron with a wavelength of 10 pm?

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Q: The image represents the gaps between allowed energy levels for electrons. Which model best…

A: Explanation-      when electrons are in the different shells of an atom or artificial atom, it…

Q: In designing an experiment, you want a beam of photons and a beam of electrons with the same…

A: (1) it is given that wavelength of the photons and electrons is λ=0.281nm=0.281×10-9m now the…

Q: The wavelength of light emitted by a krypton laser is i = 568.2 nm. What is the frequency of these…

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Q: Light from a laser has a wavelength of 613 nm. What is the energy of the light in electron-volts…

A: It is given that,

Q: How much energy will a 2.5 W laser use in 12 seconds? Your answer: 0.21 J 4.8 J 9.8 J O 30J

A: Given data: The power of the laser is P = 2.5 W The time is t = 12 s.

Q: What is the Energy, in eV, of a light wave with frequency of 6 * 10^15 Hz

A: Energy  E=hf=4.135667696×10-15 eV Hz-16×1015 Hz=24.8 eV

Q: A laser emits a pulse of light with wavelength 532 nm. If the total energy contained in the pulse is…

A: Write the given values with suitable variables. λ=532 nm=532×10-9 mET=1.2 J Here, λ is the…