Physics A system exhibiting S.H.M. must possess Elasticity, inertia and an external force Elasticity as well as inertia Inertia only Elasticity only Elasticity, inertia and an external force Elasticity as well as inertia Inertia only Elasticity only ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because Frost makes the pipes rusty, so they break None of these The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break None of these The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because Ice is cold The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point Ice is cold The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Boyle's-cycle Otto-cycle Carnot-cycle Diesel-cycle Boyle's-cycle Otto-cycle Carnot-cycle Diesel-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (7/3)f (4/3)f (3/4)f F (7/3)f (4/3)f (3/4)f ANSWER DOWNLOAD EXAMIANS APP