Physics A copper disc has a hole. If the disc is heated, the size of the hole Decreases No change Increases First increases and than decreases Decreases No change Increases First increases and than decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels faster in moist air Moist air does not absorb sound Sound travels slowly in moist air Moist air absorbs sound Sound travels faster in moist air Moist air does not absorb sound Sound travels slowly in moist air Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is broader at the base To withstand pressure that increases in a horizontal plane To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases with depth Because streamlining is required To withstand pressure that increases in a horizontal plane To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases with depth Because streamlining is required ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 100 J 50 J 150 J 75 J 100 J 50 J 150 J 75 J ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Equal to the weight of the wood Zero More than weight of the wood Less than weight of the wood Equal to the weight of the wood Zero More than weight of the wood Less than weight of the wood ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Non-magnetic Paramagnetic Diamagnetic Ferromagnetic Non-magnetic Paramagnetic Diamagnetic Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP