Physics Skating on ice is possible because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Superconductor Semi conductor Insulator Conductor Superconductor Semi conductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Increases exponentially Becomes zero None of these Remains constant Increases exponentially Becomes zero None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Who is the first person to define speed Ptolemy Newton Galileo Kepler Ptolemy Newton Galileo Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Polarization Diffraction Reflection Interference Polarization Diffraction Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Wind energy Solar energy All of these Hydrogen fuel Wind energy Solar energy All of these Hydrogen fuel ANSWER DOWNLOAD EXAMIANS APP
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