Give an example of an application that involves the absorption of X-rays. Describe what happens on a molecular level when an X-ray photon is absorbed? What is the nature of the change in energy that occurs?
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- Give an example of an application that involves the absorption of X-rays.
- Describe what happens on a molecular level when an X-ray photon is absorbed? What is the nature of the change in energy that occurs?
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- a) Draw a graph that shows the relationship between the frequency of the incident radiation and the maximum kinetic energy of the electrons emitted from the photoelectric surface. Energy as a function of frequency: F7 3.50- 3.00 250 2.a- 1.50 1.00 0.50 - 1.0 20 3.0 4.O 5.0 60 7.0 Frequency (xl04“ te) b) Using your graph, determine the threshold frequency and Planck's Constant. 17 Planck's Consrant Slope erise E %3D run Energy (x10-193)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?The threshold of dark-adapted (scotopic) vision is 2.8 ✕ 10−11 W/m2 at a central wavelength of 500 nm. If light with this intensity and wavelength enters the eye when the pupil is open to its maximum diameter of 8.4 mm, how many photons per second enter the eye? _________photons/s
- Pls answer number 2 thank youQ11MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A solid metal sphere emits 1.62 x 1020 photons every second with a radiating power of 1.93 W. (a) Determine the energy associated with each photon. eV (b) Assuming the sphere's power output is associated with the peak wavelength, determine the temperature of the sphere at which this wavelength is emitted. K Additional Materials O Reading
- For light with a wavelength of 350 nm and with an intensity of /= 10-8 W/m², what is the number of photons/(m²s) in the light beam?3. The mass attenuation coefficient of copper is 0.0589 cm2/g for 1.0-MeV photons. Find required thickness of the protective copper shield in order to achieve 50 % reduction of X-Ray radiation intensity. The density of copper is 8.9 g/cm3. Kindly give elaborate and Explained answer .