Explain in your post how the x-ray is produced. As you describe the process, be sure to identify what is the source of free electrons, and define the concepts of electron acceleration, focusing of electrons, electron deceleration, target interactions, and Bremsstrahlung radiation in terms of their relation to the process. Also, describe the photon interaction with matter in relation to the Compton effect, photoelectric absorption, coherent (classical) scatter, and attenuation by various tissues. Explain the characteristic of the x-ray beam with respect to the frequency and wavelength.
Stellar evolution
We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars do not exist forever they have a certain lifetime. The life span of the sun is about 10 billion years. The star undergoes various changes during its lifetime, this process is called stellar evolution. The structure of the sun-like star is shown below.
Red Shift
It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths (red) side.
- Explain in your post how the x-ray is produced.
- As you describe the process, be sure to identify what is the source of free electrons, and define the concepts of electron acceleration, focusing of electrons, electron deceleration, target interactions, and Bremsstrahlung
radiation in terms of their relation to the process. - Also, describe the photon interaction with matter in relation to the Compton effect, photoelectric absorption, coherent (classical) scatter, and attenuation by various tissues.
- Explain the characteristic of the x-ray beam with respect to the frequency and wavelength.
- As you describe the process, be sure to identify what is the source of free electrons, and define the concepts of electron acceleration, focusing of electrons, electron deceleration, target interactions, and Bremsstrahlung
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