From an experiment in which x-rays are scattered from a crystal, one finds that the wavelength of the radiation is 1.2 A. What is the energy of the X-ray photons?

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: You illuminate a metal with light of wavelength 640 nm and find that the photoelectrons have a…

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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 dental X-ray typically affects 194 g of tissue and delivers about 3.6 µJ of energy using X-rays…

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Q: Photons of a certain ultraviolet light have an energy of 6.08 x 1019 J. (a) What is the frequency of…

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Q: What speed must an electron have if its momentum is to be the same as that of an X-ray photon with a…

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Q: A 2.0 - kg object falls from a height of 5.0 m to the ground. If the change in the object’s kinetic…

A: Calculating the number of photons required:

Q: A flashlight emits 1.0W of light energy. Assuming a frequency of 5.2 x 10^14 Hz for the light,…

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Q: If all the energy from a 107 W light bulb is emitted on average at 666.0 nm, how many 666.0 nm…

A: Given data:  Wavelength of photon (λ) = 666.0 nm Rate of energy (P) = 107 W = 107 J/s Required:…

Q: What is the wavelength in nm of a photon that has a momentum of 4.5*10^-27 kg.m/s

A: Momentum of the photon,  Planck's constant,    The momentum of the photon is given by the expression…

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: An x-ray photon with wavelength 15.0 pm is scattered at 84.0° by an electron. What is the wavelength…

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Q: An x-ray source generates EM radiation with a wavelength of 45.0 pm (10-12 m). h =       c =…

A: Photon energy is given by : E =hcλ = 1.98644586×10-2545x10-12 = 4.413x10-15 J Potential difference:…

Q: X-rays strike a stationary electron. When the x-ray photon scatters at an angle of 15 degrees it has…

A: Energy of x photon when scattered at 15° = 12.39kev θ=15° E =hcλ λ' =hcE

Q: How many x-ray photons per second are created by an X-ray tube that produces a flux of x rays having…

A: Given- Flux of X-rays having power, P = 1 W Average energy per photon, E = 75 keV Time, t = 1 sec

Q: A 2.0-kg object falls from a height of 5.0 m to the ground. If all the gravitational potential…

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Q: The velocity (m/s) of an electron with a de Broglie wavelength of 1.679 nm is:

A: wavelength of electron(λ)=1.679 nm=1.679×10-9m mass of electron(m)=9.11×10-31 kg Planck…

Q: What is the frequency in Hz of radiation required to supply a total energy of 1.12 x 102 J from 8.51…

A: Etotal=nhf       f=Etotalnh

Q: lightbulb emits about 7.45W of visible light. (The other 109.55W are emitted as infrared radiation…

A: Energy of photon = hv h = planks constant= 6.6 × 10-34 Js v = Frequency of photon

Q: A helium–neon laser emits laser light at a wavelength of 632.8 nm and a power of 2.3 mW. At what…

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Q: An x-ray tube used for medical work has an accelerating voltage of 30 kV. What is the maximum energy…

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Q: An FM radio transmitter has a power output of 150 kW and operates at a frequency of 99.7 MHz. How…

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Q: Photons of a certain infrared light have an energy of 1.70x10 9 J. (a) What is the frequency of this…

A: We know, E=hff=Eh Substituting the values and solving gives f=1.70×10-19 J6.626×10-34 Js=2.6×1014 Hz

Q: For light with a wavelength of 350 nm and with an intensity of /= 10-8 W/m², what is the number of…

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Q: helium-neon laser emits a light beam with a wavelength of 633 nm. The power of the laser beam is 1.0…

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Q: Suppose a linear accelerator (linac) creates a X-ray beam where every individual photon has an…

A: Energy of a single photon is E=  19MeV = 19 x 106 cVTotal number of photon is n = 3 x 1010Total time…

Q: Photons that have a wavelength of 0.00226 nm are Compton scattered off stationary electrons at 33.0…

A: Given that -  Wavelength of the photon  angle To Find - We have to determine the energy of the…