2. The average power generated by the Sun has the value 3.74×1026 W. Assuming the average wavelength of the Sun's radiation to be 500. nm, find the number of photons emitted by the Sun in 1.00 s.
Q: 7. Radiation emitted from an X-ray tube has a minimum wavelength of 0.142Å. At what potential is the…
A: The minimum wavelength of X-Ray is λ = 0.142 Ao = 0.142 x 10-10 m Let V denote the potential at…
Q: A laser (powered at 3.0 watts) produces light of 600 nm in How many photons per second are produced?…
A: Power of the laser is P=3.0 W. Wavelength of the light is λ=600 nm =600 nm×10-9 m1 nm =6.00×10-7 m…
Q: ST 7A.1 - What is the energy in attojoules (10-18 J) carried by a photon with a wavelength of 363…
A: Given that the wavelength of photon is 363 nm. Then we have to find out the energy of corresponding…
Q: 2a. An atom in an excited state 1.94eV above the ground state remains in that excited state 1.97us…
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Q: 40. The photoelectron spectrum of CO has four major peaks with ionization energies of 14.5, 17.2,…
A: Molecular orbital and photo electron spectrum of CO molecular orbital 1(sigma) and 1(sigma)^* are…
Q: During a Compton Scattering experiment, the wavelength shows the largest shift when the photon is…
A: wavelength shift formula is∆λ=λc1-cosθλc is cosntantθ is scattering angle
Q: A housing attached to a microprocessor uses radiator fins to get rid of excess heat. If the largest…
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Q: 2. Light of frequency 7.60 x 10¹4 Hz ejects electrons from surface (A) with a maximum kinetic energy…
A: The frequency of the light, The kinetic energy of electrons ejected by surface A,
Q: 3. The thresho Calculate th the copper
A: To determine: The threshold frequency for the emission of photoelectrons from copper is 1.10×1015…
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: 14. Consider the case of a “collision" between a photon and a free proton, initially at rest. What…
A: Let us assume a photon collides with a stationary proton instead of the electron and scatters. Since…
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A: Let the energy of incident electromagnetic wave = E let the work function of metal = W Since the…
Q: The work function (i.e. the binding energy of the electrons to the atom) of copper is 4.7 eV. A beam…
A:
Q: A hydrogen atom releases a photon with an energy of 12.5eV. a. Determine the frequency of the photon…
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Q: . i. Calculate the maximum wavelength λmax of electromagnetic radiation that could eject electrons…
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Q: 8. When a photoelectric surface is illuminated with light of wavelength 537 nm, the stopping…
A: We use the formula for photoelectric effect to get the required.
Q: 1. A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled…
A: The relation between energy and frequency of photon is,
Q: Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV…
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Q: 12. In a photoelectric experiment, a student obtained the following data: TT Frequency of Radiation…
A: Given information:
Q: 26. If a photon has an energy of 6.63 × 10-13 ], what will be its frequency? (h = 6.63 x10 ~34 J *…
A: Given Energy of the photon is given as E=6.63×10-13 J We have to calculate the frequency of the…
Q: What is the speed of an electron that has the same momentum as a photon whose wavelength in a vacuum…
A: The wavelength of photon = 380 nm The momentum of electron = The momentum of photon having…
Q: What is the work function
A: Explanation and answer is in next step .
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Q: A. 1.2x10 R B. 1.8x10' R C. 1.8x 10 R D. 8.4x10 R 32. What is an exposure of 4.6x10 C/kg in…
A: Given, exposure E = 4.6 × 10-3 C/kg To convert C/kg to roentgens we have to use 1 C/kg = 3875.97 R
Q: The work function of K is 2.2 eV (a) Calculate the threshold frequency and wavelength (b) Will…
A: work function of k = 2.2 eV
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A: Given: Some electromgnetic waves
Q: During a photoelectric effect experiment, light possessing 3.54 eV of energy is incident on a…
A: Given data: Energy of incident photon (E) = 3.54 eV Work function (W0) = 1.53 eV Required: The…
Q: 1. A cube of iron (atomic number 26), whose side measures 1 ft (30.48cm), is floating in a dark…
A: Given data radiation power emitted by iron, P=200 W Length of cube, a=30.48 cm=0.3048 m
Q: A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then…
A:
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- 7. If x-ray photons with intensity of 10 W/m2 of energy 70 keV travels through 3 cm of skeletal muscle: (a) What will the intensity of the photon be at the exit of the muscle? (b) If it travels another 10 cm in air before reaching a detector, what is the intensity of the photon at the detector?1. A light beam of wavelength 679 nm and intensity 156 W/m^2 shines on a target of area 2.91 m^2 for a duration of 3.64 s. How many photons from the light beam will have struck the target during this time? 3.96E+21 7.91E+21 9.04E+21 5.65E+2121 Green light shining on a sodium surface causes photoelectrons with maximum kinetic energies of 0.22 eV to be emitted. If the work function of sodium is 2.28 eV, what is the frequency of light used? 1ev= 1.6x10^-19J h= 6.673x10 ^-34 J s * L 5.2 x10^14 Hz 4.2 x10^14 Hz 6.0 x10^14 Hz 3.2 x10^14 Hz
- 9. T/F a. Perfect absorbers of electromagnetic radiation are also perfect emitters. b. At any instant in time, it is possible to specify simultaneously the position and the momentum of a particle to arbitrarily high precision. C. The ground state is the lowest energy level in an atom. d. Certain types of sunglasses are very effective at diminishing light reflected from surfaces because of polarization. e. A light ray bends when it goes from one medium to another because of diffraction.78. Calculate the frequency of a photon which has a linear momentum of 1.18x1023kg m/s
- 57. The retina of a human eye can detect light when radiant energy incident on it is at least 4.00×10−17 J. For light of 595−nm wavelength, how many photons does this energy correspond to?QUESTION 10 Which of these expressions would yield the wavelength of light in meters emitted when an electron drops from orbit n = 3 to n = 2 in a Bohr hydrogen atom? Given h = 4.14 x 10-15 eVs and c = 3.00 x 108 m/s. a. hc/1.89 b. 1.89 x h x c c. 1.89/hxc d. (1.51 + 3.4)/hc e. hc/3.41. A system has a ground state energy of 2 eV. The system is in an excited energy state with 10 eV of energy. If the system transitions from the excited energy state to the ground state by emitting 1 eV photons, how many photons are emitted? a. Exactly 8 b. More than 8 c. More than 1 but less than 8 d. Exactly 1 e. There's no way to know for sure 2. In blackbody radiation, the wavelength that has the peak intensity a. Decreases as temperature increases b. Increases as temperature increases c. Doesn't change as temperature increases
- 5. A surface of copper (work function = 4.70 eV) is illuminated by light with a wavelength of 220 nm. What is the maximum kinetic energy of the emitted photoelectrons?14 A photon with a frequency of 5.02 x 10Hz is absorbed by an excited hydrogen atom which causes the electron to be ejected from the atom, forming an ion. Determine the energy of the photon, (Speed of light = 3.0 x 108 m/s, mass of proton = 1.0078250, mass of neutron = 1.008665U, 1U = 931.5- Planck's constant = 6.63 x 10-34 Js, mass of electron = 9.11 x 10-31 kg, Rydberg constant = 1.1 x 107 m. eV = 1.6 × 10-¹9 C). MeV Select one: O O a. 1.2 eV b. 2.1 eV c. 3.2 eV d. 4.1 eV6. A high energy pulsed laser emits 2.00 nano second-long pulse of average power 2.50 × 10" w. The beam is cylindrical with 1.50 mm in radius. Determine the rms value of the B-field? 9 00 f19 oor pof19 oof