Unformatted text preview: 2. Repeat the previous question, but for a wavelength of 1 cm and a radiance of 2.103 x 10-10 W m-2 μm-1 sr-1 . Answer (a), (b), and (c) in question 1. 3. Consider a cloud that, when view from a point on the surface, occupies the portion of the sky defined by π /4 < θ < π /2 and 0 < φ < π /8 ( θ is the zenith angle, and φ is the azimuth angle). (a) What is the solid angle subtended by the cloud? (b) What percentage of the sky is covered by this cloud? 4. The S-band weather radar ’ s wavelength is 10-cm. Assuming that the raindrops have approximately the same relative refractive index m as that used to produce the following figure (m=1.78), determine the range of raindrop radii that would fall in Rayleigh regime by using the exact Mie theory curve....
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- Spring '11
- SCATTERING, Rayleigh, Rayleigh Scattering, Mie theory, brightness temperature