What are dichroic materials? Give some examples.
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What are dichroic materials? Give some examples.
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- Fill in the blanksWhat are the Transition Metals?Why are diamonds so hard? Question 12 options: a) because they are made of carbon b) because they are made of a three dimensional array of particles c) because it is able to conduct electricity d) because there are covalent bonds between particles e) none of the above
- Complete the below shown statements with one of the available answers: strain, creep, ductility, dislocations, Poison's ratio, fatigue, substitutional (i) The Modulus of Elasticity is the ratio of stress to when deformation is totally elastic. (ii) is a measure of a material's ability to undergo deformation before fracture. (iii) Having the same crystal structure for pure metals is one of the conditions for, solid solution. (iv) is the failure (at a relatively low stress level) of structures that are subjected to fluctuating and cyclic stresses. (v) is the negative ratio of lateral and axial strains that result from an applied axial stress. (vi) is the time-dependent permanent deformation that occurs under stress; for most materials it is important only at elevated temperatures. (vii) The permanent (plastic) deformation of most crystalline materials is by motion of the,Briefly explain monoatomic gases.Explain why ductile materials do not fail in a brittle manner even thoughthey have small flaws and crack present. If so, explain the process of ductilefracture of the materials.