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 1000 W gas discharge lamp emits 5.00 W of UV radiation in a narrow range centered on 285 nm. How…

A: The energy of the photon is given by Where h = Planck constant = 6.626 × 10- 34  J.s, c = Speed of…

Q: When the light of wavelength 250 nm is incident on a metal surface, the maximum speed of the…

A: Using Einstein's photoelectric equation : E = W + Kmax hv = W + 12m vmax2W =hθ  -  12m vmax2W =hcλ…

Q: By Amax Oi the pi LL alls on the same surface?

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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: A sheet of metal is illuminated by photons with a wavelength of 325 nm and the emitted electrons are…

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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: What is the minimum wavelength in m of the x-ray photons from a 140 kV x-ray tube? (h =…

A: Given: The accelerating potential is V = 140 kV The Planck constant h = 6.63x10-34J·s The value of 1…

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…

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Q: A helium‑neon laser produces light of wavelength 632.8 nm. The laser beam carries a power of 0.75 mW…

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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.

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Q: A 519 nm laser emits 2.41 x 1019 photons per second, how much total energy (in J) would this…

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Q: 7) White light has wavelengths that range from 380 nm to 750 nm. This light strikes a metal that has…

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Q: (a) What is the wavelength (in nm) of a photon that has a momentum of 4.50 x 10¬27 kg • m/s? nm (b)…

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Q: A beam of 400 nm light is adjusted to have the same intensity as a beam of 600 nm light. How does…

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Q: A beam of UV light with a wavelength of 197 nm falls onto a metal cathode. The stopping potential…

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Q: Photons of wavelength 248.6 nm strike a metal whose work function is 3.5 eV. What is the KE of the…

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