Physics The velocity of falling rain drops attains a terminal value because of Viscous force exerted by air Surface tension Air current Upward thrust due to air Viscous force exerted by air Surface tension Air current Upward thrust due to air ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because 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 surface of ice is smooth The pressure on the ice due to skate raises its melting point 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 surface of ice is smooth The pressure on the ice due to skate raises its melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Air current over the liquid and buoyancy Up thrust and surface tension Surface tension and adherence Viscosity and buoyancy Air current over the liquid and buoyancy Up thrust and surface tension Surface tension and adherence Viscosity and buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Copper Iron Aluminium Zinc Copper Iron Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A step down device A thermopile A load A safety device A step down device A thermopile A load A safety device ANSWER DOWNLOAD EXAMIANS APP