Physics The waves used in sonography are Sound waves Micro waves Ultrasonic waves Infra-red waves Sound waves Micro waves Ultrasonic waves Infra-red waves ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours 20 minutes You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Otto-cycle Boyle's-cycle Carnot-cycle Diesel-cycle Otto-cycle Boyle's-cycle Carnot-cycle Diesel-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A machine powered by rotating blades is a None of these Turbines Solar panel Fumerole None of these Turbines Solar panel Fumerole 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 raises its melting point Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth The pressure on the ice due to skate raises its melting point Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water ANSWER DOWNLOAD EXAMIANS APP