Physics Sound travels fastest in Air Glass Water Vacuum Air Glass Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has More density than dry air. More pressure than dry air. Less pressure than dry air. Less density than dry air. More density than dry air. More pressure than dry air. Less pressure than dry air. Less density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics The domain theory of magnetism applies to Cobalt Aluminium Silver Copper Cobalt Aluminium Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Liquid thermometer Thermopile Constant volume air thermometer Six's maximum and minimum thermometer Liquid thermometer Thermopile Constant volume air thermometer Six's maximum and minimum thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is wider than the river The sea is-deeper than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is wider than the river The sea is-deeper than the river ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS