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110年 - 110 國立臺灣科技大學_碩士班招生試題_材料科學與工程系(丙組)：材料導論#105562
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題組內容
3.(10%)
(1) Compare the velocity of light in air and in a piece of glass. Also compare the sound velocity in air and in glass. (5%)
相關申論題
(2) The refractive index of cubic zirconia is 2.1. Calculate the critical angle for Total Internal Reflection of cubic zirconia in air. Also calculate the reflectivity of cubic zirconia in air. (5%)
#449069
(1) Draw the band diagram for an n-type semiconductor and indicate energy levels in the drawing. (5%)
#449070
(2) Draw the In σ -1/T plot for an n-type semiconductor over a wide range of temperature, where the o is electrical conductivity. Correlate the slopes in the drawing with the band gap or energy levels. (5%)
#449071
(1) Please provide the definitions of Frenkel defect (5 %) and Schotky defect (5 %).
#449072
(2) Use MgO as an example material to draw the corresponding images for Frenkel defect and Schottky defect (10%)
#449073
(1) compute the interplanar spading (d-spacing) for the (111) and (311) planes and (5 %)
#449074
(2) the two estimated lattice parameter values according to (111) and (311) planes (5%).
#449075
(3) Which value (from (111) or (311)) is more precise? (2 %) and Why? (3%).
#449076
(1) Please determine the minimum length of surface cracks for this alloy and ceramic. Assume the value of 1.5 for Y dimensionless constant (10%).
#449077
(2) Which crack is longer and why (5 %)?
#449078
相關試卷
110年 - 110 國立臺灣科技大學_碩士班招生試題_材料科學與工程系(丙組)：材料導論#105562
110年 · #105562
110年 - 110 高雄科技大學_碩士班招生考試_化學工程與材料工程系：材料導論(丙組)#104401
110年 · #104401
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