Physics Sun's heat reaches us by Radiation Reflection Conduction Convection Radiation Reflection Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 50 db Above 80 db Above 30 db Above 120 db Above 50 db Above 80 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 40 2000 80 4000 40 2000 80 4000 ANSWER DOWNLOAD EXAMIANS APP
Physics On which of the following techniques photostate machine works ? Electromagnetic Image— Making Magnetic Image—Making Electrostatic Image—Making Thermal Image—Making Electromagnetic Image— Making Magnetic Image—Making Electrostatic Image—Making Thermal Image—Making ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is independent of applied voltage Increases with heavy doping Is increased under reverse bias Decreases with light doping Is independent of applied voltage Increases with heavy doping Is increased under reverse bias Decreases with light doping ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is a decrease in air pressure on the hills There is less carbon dioxide on the hills It is cold on the hills There is less oxygen There is a decrease in air pressure on the hills There is less carbon dioxide on the hills It is cold on the hills There is less oxygen ANSWER DOWNLOAD EXAMIANS APP
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