Physics The instrument which uses sound waves to measure the depth of oceans is Radar Sonar Venturimeter Altimeter Radar Sonar Venturimeter Altimeter 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: 6 units 60 units 0.6 units 600 units 6 units 60 units 0.6 units 600 units ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Vacuum Air Water Glass Vacuum Air Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Henry/meter Henry Weber Weber/meter Henry/meter Henry Weber Weber/meter ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 50 J 30 J 40 J 20 J 50 J 30 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ Molecular motion in a gas would cease All gases become solid All gases become liquid Water freezes Molecular motion in a gas would cease All gases become solid All gases become liquid Water freezes ANSWER DOWNLOAD EXAMIANS APP