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Q: What wavelength of light, in nm, is needed to ionize a hydrogen atom
A: Hydrogen has only one electron in its outer shell. Ionization energy refers to the expenditure of…
Q: An electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength…
A: Electron will absorb the photon only if energy of photon is match or equal to the energy gap between…
Q: Based on Bohr’s atomic model, how many visible wavelengths of the helium emission spectrum end at…
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Q: What is the maximum wavelength for which electrons are released, in nanometers and the frequency of…
A: Photoelectric effect is the phenomenon that occurs when a photon hits an metallic ion, and an…
Q: 1) An ultraviolet lamp emits light of wavelength 400 nm at the rate of 400 W. An infrared lamp emits…
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Q: A so
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Q: Find the difference in energy levels for a hydrogen-like titanium atom going from the seventh (7th)…
A: Tritium atom is going from 7th level to 3rd level
Q: An electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength…
A:
Q: Tanning salons use “safe” UV with a longer wavelength than some of the UV in sunlight. This “safe”…
A: UV rays are very harmful for the cell organ it damage the cell which cannot regenerate.
Q: We derived in class that, for the dipole radiation, the vector potential at distance from the…
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Q: Johnny Jumper's favorite trick is to step out of his 16thstory window and fall 50.0 m into a pool. A…
A: De Broglie's hypothesis states that any matter particles with a linear momentum can behave like a…
Q: Q-27: Two photons have wavelength 600 nm and 150 nm strike a photo emissive surface. Find the ratio…
A: (given) Wavelength of two photons is λ1=600 nm…
Q: Why does the energy of characteristic x rays become increasingly greater for heavier atoms?
A: The energy characteristics of x ray can be expressed as
Q: A diode laser in a DVD player has a power output of 50 mW and a wavelength of 600 nm. How many…
A: Power of Diode laser = 50 mW wavelength λ=600 nm=6×10-7m so energy corresponding this wavelength E =…
Q: The minimum energy needed to remove an electron from a potassium metal surface is 3.7 x 10-19 J.…
A: Given value--- minimum energy to remove electron = 3.7 × 10-19 J. wavelength of incident photon =…
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- By what fraction would the wavelength of one component of the 630.25-nm Fe I spectral line change as a consequence of a magnetic field of 0.3 T? 6 paints)An electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength 345nm. As a result, the electron will -0.2 ev --0.4 ev -1.8 ev 4 ev O Absorb the photon and rise to the -0.4eV energy level Absorb the photon and rise to the -1.8eV energy level Not absorb the photon, and will remain in the -4eV energy level Absorb the photon and escape the atom Absorb the photon and rise to the -0.2eV energy levelFor light with a wavelength of 350 nm and with an intensity of /= 10-8 W/m², what is the number of photons/(m²s) in the light beam?
- A rock is illuminated with high energy ultraviolet light. This causes the rock to emit visible light. Explain what is happening in the atomic substructure of the rock that causes this effect, which we call fluorescence.O 6.21 * 10-19 J For which of the following transitions does the light emitted have the longest wavelength? On=4 to n = 3 O n- 4 to n = 2 On= 4 to n = 1 O n= 3 to n = 2 O n = 2 to n = 1 Whish f tho following ic bvdrogen like atom (to which Bohr's model couldThe most common fluorescent lightbulbconverts ultraviolet light from mercury atoms to white light. If anultraviolet photon of wavelength 185 nm is emitted by a mercuryatom and absorbed by the phosphor, what is the maximum number of red 655-nm photons that the phosphor can emit?