Materials and Components The number of protons in a copper atom are 29 2 9 11 29 2 9 11 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystal, valence crystals and metals Ionic crystals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystal, valence crystals and metals Ionic crystals Ionic and valence crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 600 K About 2 K About 10 K About 200 K About 600 K About 2 K About 10 K About 200 K ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which of the following are true for relative dielectric constant?1. It is dimensionless.2. It is equal to 1 for vacuum.3. It is equal to 1 for all substances. 1, 2 and 3 1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3 1 and 2 only 2 and 3 only 1 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor Is a very small fraction of the number of valence electrons Is almost equal to the number of valence electrons Is about half the number of valence electrons Is small as compared to the number of valence electrons Is a very small fraction of the number of valence electrons Is almost equal to the number of valence electrons Is about half the number of valence electrons Is small as compared to the number of valence electrons ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials. True False True False ANSWER DOWNLOAD EXAMIANS APP