Physics Which of the following are methods of heat transfer? Evaporation Convection Thermal Expansion Revolution Evaporation Convection Thermal Expansion Revolution ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals have higher thermal capacity than plastics plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Venturimeter Altimeter Radar Sonar Venturimeter Altimeter Radar Sonar ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? All water will become ice All ice will melt Only some ice will melt No change will happen All water will become ice All ice will melt Only some ice will melt No change will happen ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics Alcohol is more volatile than water because ________ is lower than water. Its density Its surface tension Its viscosity Its boiling point Its density Its surface tension Its viscosity Its boiling point ANSWER DOWNLOAD EXAMIANS APP
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