Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to square of inversely proportional to directly proportional to square of directly proportional to inversely proportional to square of inversely proportional to directly proportional to square of directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Neither renewable nor non renewable resource Renewable natural resource A mixture of renewable and non-renewable natural resource non-renewable natural resource Neither renewable nor non renewable resource Renewable natural resource A mixture of renewable and non-renewable natural resource non-renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by The battery An electrical spark Compressing air in the cylinders Using heat from exhaust The battery An electrical spark Compressing air in the cylinders Using heat from exhaust ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its life increase its electrical conductivity increase its electrical resistivity enable it to withstand higher voltages increase its life increase its electrical conductivity increase its electrical resistivity enable it to withstand higher voltages ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Infrasonic Audible sound Ultrasonic Radio Infrasonic Audible sound Ultrasonic Radio ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in both is same but the rate of doing work is less in rolling. Work done in rolling is more than in lifting. Work done in rolling a stone is less than in lifting it. Work done in lifting the stone is equal to rolling it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling is more than in lifting. Work done in rolling a stone is less than in lifting it. Work done in lifting the stone is equal to rolling it. ANSWER DOWNLOAD EXAMIANS APP