1) Which properties should be considered most strongly to optimize heat transfer between two solids? Is it...
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1) Which properties should be considered most strongly to optimize heat transfer between two solids? Is it their thermal conductivity...or other factors?
2) You can learn a lot about materials by shining a range of different light wavelengths through them and measuring the intensity of light that comes through. If I shine light from 300-1600 nm into a material and note that absorption peaks at 1450 nm and then drops at longer wavelengths:
- Calculate the band gap (assuming absorption of light is due to electronic transitions from valence band to conduction band)
- Determine whether or not the material would be transparent or opaque to white light
- Do you think it is a metallic or nonmetallic material? Why?
3) A magnetic field of strength 103 A m-1 is applied to an ideal magnetic material with a linear relationship between B and H. If the relative permeability is 50, calculate the magnetization and susceptibility.
Related Book For
International Marketing And Export Management
ISBN: 9781292016924
8th Edition
Authors: Gerald Albaum , Alexander Josiassen , Edwin Duerr
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