Physics The velocity of sound in air Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature Does not depend on temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Submerged objects can be located using Sonar Quasar Radar Pulsar Sonar Quasar Radar Pulsar ANSWER DOWNLOAD EXAMIANS APP
Physics A wave with high amplitude have High energy Low pitch High pitch Low energy High energy Low pitch High pitch Low energy ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors 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 conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to ________ meters. 10 raised to the power (-3) 10 raised to the power (-9) 10 raised to the power (-6) 10 raised to the power (-12) 10 raised to the power (-3) 10 raised to the power (-9) 10 raised to the power (-6) 10 raised to the power (-12) ANSWER DOWNLOAD EXAMIANS APP
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