Physics Which of the following produces more severe burns ? Boiling water Melting iceberg Hot water Steam Boiling water Melting iceberg Hot water Steam ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound has no existence a subject existence an object existence both subjective and objective existence no existence a subject existence an object existence both subjective and objective existence ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Offer high resistance to the flow of electric current Conduct electricity at high temperature Offer minimum resistance to flow of electric current Conduct electricity at low temperature Offer high resistance to the flow of electric current Conduct electricity at high temperature Offer minimum resistance to flow of electric current Conduct electricity at low temperature 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 : Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The moon's surface is rough The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere The moon's surface is rough The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP