Physics Skating on ice is possible because The pressure on the ice due to skate raises its melting point The surface of ice is smooth 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 pressure on the ice due to skate raises its melting point The surface of ice is smooth 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Convection Conduction Radiation Insolation Convection Conduction Radiation Insolation ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Scattering Refraction Interference Reflection Scattering Refraction Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Resistivity Temperature Length Area of cross section Resistivity Temperature Length Area of cross section ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Refract light of different colours Transmit or absorb light of different colours Reflect lights of different colours Dispense light into component colours Refract light of different colours Transmit or absorb light of different colours Reflect lights of different colours Dispense light into component colours ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature do the Fahrenheit and Celsius scales give the same reading? 32 degreees -40 degreees 0 degreees 212 degrees 32 degreees -40 degreees 0 degreees 212 degrees ANSWER DOWNLOAD EXAMIANS APP