Physics A radioactive substance does not undergo any change (in mass or charge) during Alpha-emission Beta-emission Gamma-emission Oxidation Alpha-emission Beta-emission Gamma-emission Oxidation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Fossil fuel Renewable Energy Nuclear Energy None of these Fossil fuel Renewable Energy Nuclear Energy None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The combined gas law relates which of the following? Temperature & Pressure Volume & Pressure Volume, Temperature & Pressure Volume & Temperature Temperature & Pressure Volume & Pressure Volume, Temperature & Pressure Volume & Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Scattering Interference Refraction Reflection Scattering Interference Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension 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 higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP