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- 2. With the help of Maxwell’s equations, explain the process of wave generation. What is Poynting vector? Explain each part of mathematical equation of the Poynting theorem for EM waves. .5. A. Please rearrange the light bulks from high temperature to low temperature. a. B. Why is this the right order? C. If you have a green light bulk, its temperature is between which two lights?Explain the concept of light scattering and its different types (Rayleigh scattering, Mie scattering, etc.). How does scattering contribute to various natural phenomena, like the blue sky and the colors of sunsets?
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- 12. Geometric optics. Light propagation laws. Fermat’s principle. Optical systems ? 24. Emission and absorption spectra. Spectral terms. Hydrogen-like atom ?The electric field of a polarized light emerged from a polarizer can be expressed as E= Bei(kz-wt)} # – Bei(kz-wt)? Where B is the amplitude of the electric field. (a). Give the propagation direction. (b). Give the plane of oscillation. (c). Show that polarization state of the electric filed is indeed linear. (You may include proof such as polarization angle, phase difference, etc. to support your claims.) (d). The above electric field has passes through a quarter-wave plate (QWP). The fast axis (FA) of the QWP was located at the principal vertical axis, while the slow axis (SA) located along the principal horizontal axis. Determine the polarization state of the light that emerged from the QWP. (e). Given another identical QWP, choose the suitable orientation of the fast and slow axes so that the state of the electric field can be returned to E = Be'lz-u – Be-. (You need to provide explanation for your i(kz-wt)? i(kz-wt)? choice.)1. What is the implication of Huygen's Principle?2. How does diffraction occur in shadows? short answer only, please answer both.
- Remote Sensing: Scattering, Rayleigh and other regimes Question: If the direct beam transmission of light of 0.5 micron wavelength is 80%, what will be the transmission of light with a wavelength of 1 micron, assuming no absorption is involved at either wavelength? Question: Sunlight shines through a salt shaker. Should you expect more, less, or the same amount of scattering from blue light compared to red light? How about for light shining through a plume of smoke? Question: A typical radio frequency is 99.5 MHz, while a HD TV broadcast frequency is 600 MHz. Which one is your body position more likely to interfere with and why?Explore the behavior of light in various optical materials, such as dielectrics and conductors. How does the refractive index vary with frequency, and what is the consequence of this variation?Visible light. The range of visible light extends from 400 nm to 700 nm. What is the range of visible frequencies of light? Give a maximum and minimum answer.