Explain single-photon-emission computed tomography(SPECT).
Q: What is the minimum wavelength in m of the x-ray photons from a 140 kV x-ray tube? (h = 6.63x1034…
A: We have,Potential of the tube, V=140 kVPlanck's constant, h=6.63×10-34 J.sSpeed of light, c=3×108…
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A: Given: Planck's constant,h=6.626×10-34JsMass of the electron,m=9.1×10-31kgWavelength of…
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A:
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A: X-rays are produced by bombarding a heavy metal target with high energy electrons. Choice of heavy…
Q: calculate the frequency in hertz of a 1.0 0 MEV Y Ray photon. *10^20 Hz
A: This question is based on formula E=hν
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A: The electromagnetic radiation is emitted by an atom when an inner shell vacancy is filled is called…
Q: What is the wavelength and energy of x-ray photon whose frequency is 10^16Hz
A: In case of photon i.e. light particles, Wavelength× Frequency= Speed of light i.e. speed of photon.…
Q: A boy walks in the evening in the park with a flashlight with a power of 25 W . The flashlight bulb…
A: Power of flashlight (P) = 25 W wavelength of photons = 490 nm
Q: A boy walks in the evening in the park with a flashlight with a power of 25 W . The flashlight bulb…
A:
Q: An accelerating voltage of 8 keV was used for the EDX (Energy dispersive x-ray analysis) analysis of…
A: Solution:- Energy‐dispersive X‐ray spectroscopy (EDX) is a surface analytical technique…
Q: What is the energy of a neutron having wavelength 300nm?
A: (given) Wavelength λ = 300 n m = 300×10-9 m Mass m of neutron = 1.675 ×10-27 kg Energy of…
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A:
Q: You are studying a very distant quasar and are trying to determine how far away it is. The quasar is…
A: Given, λo = 121.6 nmλob = 130 nm
Q: A laser emission from a certain laser has an output power of 10 milli watts. If the wavelength of…
A: Given data:The power output from the laser is The wavelength of the emission is The planck's…
Q: A phosphor material absorbs photons at 460 nm and luminesces at 674 nm. A) Calculate the amount of…
A:
Q: What is the frequency (ν in hertz) of the photons emitted by a HeNe laser with a wavelength (λ) of…
A: Wavelength of the photons, Speed of the photons, From the basic equation of wave mechanics, we…
Q: Pair production does not occur in X-ray imaging. a) True b) False
A: Pair production does not occur in X-ray imaging because the minimum voltage needed for pair…
Q: The diameter of the nucleus is about 12.1fm. What is the kinetic energy of a proton with a de…
A: diameter of nucleus (d) = 12.1 fm de broglie wavelength of proton = 12.1 fm
Q: Imagine you are testing a solar cell in your lab. You irradiate the solar cell with photonsfrom an…
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Q: 3.5. The threshold wavelength for photoelectric emission in Tungsten is 240 nm. What wavelength of…
A: Step-by-Step Solution1. Understanding the Given Information:Threshold wavelength for Tungsten…
Q: Calculate the frequency of a 4 MeV photon.
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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: QIA: for unpaired free electron in Electron paramagnetic resonance (EPR) spectroscopy if Landé…
A: Electron Paramagnetic Resonance (EPR) or Electron Spin Resonance (ESR) is a type of magnetic…
Q: A particle of mass m in a one-dimensional harmonic oscillator is initially in a state given by 亚(0))…
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Q: if a detector receives 10-10 Watts of power in the wavelength band 2.65 to 2.80 \mu m, how many…
A:
Q: What is the diffraction limited resolution of 10 nm X-ray photons?
A:
Q: In spectrophotometric analysis, why is the wavelength of the emitted light longer than that used to…
A: Photoluminescence is the process by which a light or photon stimulate emission of photon from an…
Q: Calculate the following energies: the kinetic energy of a lead K-shell photoelectron following a…
A: Given: The energy of the incident gamma ray is E = 662 keV The binding energy of an electron in the…
Q: What is the difference between SEM and TEM electron microscopes?
A: Difference between SEM AND TEM.
Q: An X-ray tube has nickel as target. If the wavelength differ Ka line and the short wave cut-off…
A:
Q: What is the accelerating voltage of an x-ray tube that produces x rays with a shortest wavelength of…
A: The energy of the X-ray photon is given by,
Q: An x-ray is produced by electrons accelerated under a voltage of 11.6 kV. What is the shortest…
A: Given m=9.1×10-31 Kg (mass of electron)q=1.6×10-19 C (charge on electron)V=11.6 KV=11600 V…
Q: What are some important practical differences that you have observed between spectroscopies of…
A: Gamma rays: The Gamma rays are uncharged waves and they interact with matter in three different…
Q: photons are incident on a 2 mm lead shield. a) What is the fraction uncollided flux exiting the…
A: Given:- A beam of 1.2 MeV photons are incident on a 2 mmm lead shield Find:- a) What is the…
Q: X-ray diffraction experiment of a powder material of nanoparticle size was conducted. The appearance…
A: Given : λ=1.54A°
Q: Using Hg gas in the Franck-Hertz experiment, approximately what range of voltages would you expect…
A: Given: To explain the range of the voltages in the first peak as,
Q: A ruby laser delivers a 18.5-ns pulse of 2.30-MW average power. If the photons have a wavelength of…
A: Given, the average power of pulse of the ruby laser is, Pavg=2.5MW=2.5×106W time for the average…
Q: given below. Scattered x-rays X =2 cm (Attenuated) Transmitted) |-100 CPS detector X-ray ,=1200 CPS…
A: Initial intensity of the X-rays, I0=1200 CPS After travelling a distance of x=2 cm , the intensity…
Q: In an experiment similar to that of Franck and Hertz, deuterium (a proton and a neutron in the…
A: (a): Explanation of the three different spectral lines of emissionThe observation of three different…
Explain single-photon-emission computed tomography(SPECT).
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