Physics The modulus of rigidity is the ratio of Volume stress to volume strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain Tensile stress to tensile strain Volume stress to volume strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain Tensile stress to tensile strain ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical resistivity increase its electrical conductivity increase its life enable it to withstand higher voltages increase its electrical resistivity increase its electrical conductivity increase its life enable it to withstand higher voltages ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may spoil the wiring It may cause hydrolysis It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis It may cause electrolysis It may cause electrocution ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is broader at the base To withstand pressure that increases with depth Because streamlining is required To withstand pressure that increases in a horizontal plane To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases with depth Because streamlining is required To withstand pressure that increases in a horizontal plane To withstand pressure that is increased with atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? A-rays B-rays X-rays G-rays A-rays B-rays X-rays G-rays ANSWER DOWNLOAD EXAMIANS APP