Answer to Question #188339 in Optics for hala

Question #188339

two regions of the human body have a temperature at 37*c and 35*c respectively. how many times their radiant emittances differ?

Expert's answer

"n=\\frac{L_1}{L_2}=\\frac{\\sigma T_1^4}{\\sigma T_2^4}=\\frac{T_1^4}{T_2^4}=\\frac{310^4}{308^4}=1.026."

Learn more about our help with Assignments: Optics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. a thin convex lens is examined in an optical bench. a screen is placed at a distance of 3.6m from a
2. The electric field vectors of two light waves propagating along the positive zdirectionare given asE
3. Determine the frequencies of the fundamental mode and the next two harmonicsthat can be set up on a
4. Write a simulation program that calculates Fresnel and Rayleigh-Sommerfeld diffraction fields betwee
5. Convex lens is illuminated by a plane wave which is propagating along z-axis. Sketch and nd outmathe
6. A laser printer uses a laser with a wavelength of 805nm. What should be the focal length of the lens
7. Two thin lenses are in contact and object is placed at 60cm from the lens. It forms a real image at