Materials and Components The merger of hole and free electron is called Covalent bonding Thermal energy Free electrons Recombination Covalent bonding Thermal energy Free electrons Recombination ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystals Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystals Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the viscosity of a liquid increases, the relaxation time Decreases Increases Remains constant First decreases then increases Decreases Increases Remains constant First decreases then increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor May increase or decrease with increase in light intensity Decreases with increase in light intensity Increases with increase in light intensity Remains constant May increase or decrease with increase in light intensity Decreases with increase in light intensity Increases with increase in light intensity Remains constant ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
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