Physics Skating on ice is possible because 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 Ice is cold ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases Remains constant Decreases and then remains constant Increases Decreases Remains constant Decreases and then remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Fuse wire is made of an alloy of Tin and Copper Lead and Copper Tin and Lead Copper and Silver Tin and Copper Lead and Copper Tin and Lead Copper and Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass - wool Stone chips Glass pieces Steel Glass - wool Stone chips Glass pieces Steel ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 12 36 24 50 12 36 24 ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Sink in mercury Will be on the surface of mercury Will be partly immersed mercury Will dissolve in mercury Sink in mercury Will be on the surface of mercury Will be partly immersed mercury Will dissolve in mercury ANSWER DOWNLOAD EXAMIANS APP
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