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 The surface of ice is smooth The pressure on the ice due to skate raises its melting point Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth The pressure on the ice due to skate raises its melting point Ice is cold ANSWER DOWNLOAD EXAMIANS APP
Physics When all the forces and torques are balanced in a mechanical body it is said to be in Static Buoyancy Equilibrium None of these Static Buoyancy Equilibrium None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ Photo diode Tunnel diode P-N Juction diode Schottky diode Photo diode Tunnel diode P-N Juction diode Schottky diode ANSWER DOWNLOAD EXAMIANS APP
Physics Hot springs are heated geothermally by underlying Water None of these Mitula Magma Water None of these Mitula Magma ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Polarization Interference Reflection Diffraction Polarization Interference Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
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