A photon with wavelength A = 0.25 nm scatters off an electron at and angle 0 = 75° from its %3D original direction of travel. How much energy did the electron gain from this interaction? (a) 11.51 eV (b) 16.23 eV (c) 28.78 eV (d) 35.5 eV

Q: A photon of frequency 7.9 x 1015 Hz incident on a metal plate and just <ncoked off an electron. The…

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Q: Under ideal conditions, a visual sensation can occur in the human visual system if light of…

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Q: A 0.840-nm photon collides with a stationary electron. After the collision, the electron moves…

A: we know that,h=6.63×10-34λ=0.840×10-9 mm=9.11×10-31 kg

Q: A light beam of wavelength 596 hm and intensity 251 W/m^2 shines on a target of area 2.47 m^2 for a…

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Q: A light beam of wavelength 431 nm and intensity 159 W/m^2 shines on a target of area 2.86 m^2 for a…

A: Given data:  Wavelength (λ) = 431 nm Intensity (I) = 159 W/m2 Area (A) = 2.86 m2 Time (t) = 2.12 s…

Q: The boy walked in the evening in the park with the flashlight with a power of 20 W . The flashlight…

A: a) To find the ratio A between the area of the sheet of paper and the surface area of a sphere with…

Q: UV radiation photons with a wavelength of 3.45 ? 10^−7 ? are incident on a metal surface in a…

A: Given: Speed of light = c=3×108 m/s Wavelength of light = λ=3.45×10-7 Plank's constant =…

Q: A light beam of wavelength 679 nm and intensity 211 W/m^2 shines on a target of area 2.71 m^2 for a…

A: wavelength = intensity = area = A = 2.71 m2time = t = 2.23 s

Q: Problem 4:   Ruby lasers have chromium atoms doped in an aluminum oxide crystal. The energy level…

A: Given data :  Ground state energy E0 = 0 eV  1st excited state energy E1 = 1.79 eV 2nd excited state…

Q: An X-ray photon with 30.0 keV of energy is scattered 60.0° by a free electron. (a) What is the…

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Q: A photon with wavelength A = 400 nm hits a stationary electron and is scattered at an angle p = 30…

A: Answer..

Q: An atom absorbs a photon of wavelength 375 nm and imme- diately emits another photon of wavelength…

A: Light is made up of packets of energy called photons. Each photon will have a discrete amount of…

Q: A 592 nm laser emits 4.94 x 1019 photons per second, how much total energy (in J) would this…

A: Given Data Wavelength of the photons is λ=592nm=592×10-9 m Number of photons emitted per unit second…

Q: 1. A light beam of wavelength 485 nm and intensity 149 W/m^2 shines on a target of area 1.78 m^2 for…

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Q: A 0.393-nm photon collides with a stationary electron. After the collision, the electron moves…

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Q: from a metal that has a work function of 1.80 eV?   690 nm 564 nm 555 nm 123 nm 4.35 X 10^14 m

A: Given  Work function of metal  W = 1.80 eV To find  Longest wavelength of light that can cause…

Q: An atom (not a hydrogen atom) absorbs a photon whose associated wavelength is 375 nm and then…

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Q: light beam of wavelength 460 nm and intensity 180 W/m^2 shines on a target of area 1.69 m^2 for a…

A: We have givenThe wavelength is 460 nmintensity is 180 W/m2Area is1.69 m2duration is 4.25 sWe have to…

Q: Q. 25 : The energy in eV of a photon, if the frequency of the radiation is 7 × 1014 Hz is

A: Solution:-Given thatfrequency of radiation (f)=7×1014 Hz

Q: A light beam of wavelength 605 nm and intensity 225 W/m^2 shines on a target of area 1.81 m^2 for a…

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Q: A light beam of wavelength 538 nm and intensity 279 W/m^2 shines on a target of area 2.53 m^2 for a…

A: Given data:  Wavelength (λ) = 538 nm Intensity (I) = 279 W/m2 Area (A) = 2.53 m2 Time (t) = 2.07 s…

Q: A light beam of wavelength 476 nm and intensity 119 W/m^2 shines on a target of area 2.11 m^2 for a…

A: Given value--- wavelength = 476 nm. intensity = 119 W/m2.  Area = 2.11 m2.  time = 2.75 s. We have…

Q: inetic energy of 2.70 eV. (a) What is the work function of the metal? 5 ev (b) If the photon energy…

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Q: (a) If the work function for a certain metal is 1.9 eV, what is the stopping potential for electrons…

A: Given, λ=504×10-9mϕ0=1.9 eV=1.9×1.6×10-19J=3.04×10-19 J We know, Kmax=hcλ-ϕ0where, λ is the…

Q: When ultraviolet light with a wavelength of 400.0 nm falls on a certain metal surface,the maximum…

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Q: Images taken with transmission electron microscopes are produced by passing very high energy…

A: Given: An images of are in black and white color in usual and so an explanation is given as,

Q: When a certain metal is illuminated by light, photoelectrons are observed provided that the…

A: h = 6.626 × 10-34 J ∙ s,c = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J

Q: The absorption of light by chlorophyll, the pigment in plants that is responsible for converting…

A: The wavelength of photon that is absorbed at first peak is The wavelength of photon that is…

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: An electron in a quantum system has allowed energies E1=1.0 eV, E2 = 4.0 eV, and E3 = 6.0 eV. What…

A: Emission spectrum is obtained when an electron makes transition from higher energy state to lower…

Q: X rays with a wavelength of 0.0700 nm diffract from a crystal. Two adjacent angles of x-ray…

A: Write the formula for the x-ray diffraction.

Q: The binding energy of Sodium is 2.28 ev. Calculate the number of photoelectrons ejected from a 1.00…

A: (a) The power of the radiation emitted is P=IA=1.30×103 W/m21×10-6 m2=1.30×10-3 W The power can also…

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

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Q: If a monochromatic light beam with quantum energy value of 3.0 eV incident upon a photocell where…

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Q: Photoelectric effect: Light of wavelength 400 nm falls on a metal surface having a work function…

A: The maximum kinetic energy of the photoelectrons emitted from the metal surface due to the…

Q: A 0.703-nm photon collides with a stationary electron. After the collision, the electron moves…

A: