Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 120 db Above 50 db Above 80 db Above 30 db Above 120 db Above 50 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 0.6 units 6 units 60 units 600 units 0.6 units 6 units 60 units 600 units ANSWER DOWNLOAD EXAMIANS APP
Physics Supersonic plane fly with the speed less than the speed of sound greater than the speed of sound of light of sound less than the speed of sound greater than the speed of sound of light of sound ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Both conduction and convection Conduction Radiation Convection Both conduction and convection Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The pressure on the ice due to skate raises its melting point The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The pressure on the ice due to skate raises its melting point ANSWER DOWNLOAD EXAMIANS APP
Physics We always see the same face of the moon, because It takes equal time for revolution around the earth and rotation on its own axis It revolves on its axis in adirection opposite to that ofthe earth It is smaller than the earth It rotates at the same speed as the earth around the sun It takes equal time for revolution around the earth and rotation on its own axis It revolves on its axis in adirection opposite to that ofthe earth It is smaller than the earth It rotates at the same speed as the earth around the sun ANSWER DOWNLOAD EXAMIANS APP