Physics Which one of the following reflects back more sunlight as compared to other three? Prairie land Sand desert Paddy crop land Land covered with fresh snow Prairie land Sand desert Paddy crop land Land covered with fresh snow ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Surface energy Viscosity Adhesive force Surface tension Surface energy Viscosity Adhesive force Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Speed in a given direction is called Acceleration Displacement Torque Velocity Acceleration Displacement Torque Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? All ice will melt All water will become ice Only some ice will melt No change will happen All ice will melt All water will become ice Only some ice will melt No change will happen ANSWER DOWNLOAD EXAMIANS APP