Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: cohesion of water is greater than its adhesion with glass. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. ANSWER DOWNLOAD EXAMIANS APP
Physics Kilowatt-hour is the unit of : Force Energy Momentum Power Force Energy Momentum Power ANSWER DOWNLOAD EXAMIANS APP
Physics Wollen clothes keep the body warm because Wool increases the temperature of the body Wool rejects heat from the outer objects Wool is a bad conductor Wool absorbs radiant heat from outer objects Wool increases the temperature of the body Wool rejects heat from the outer objects Wool is a bad conductor Wool absorbs radiant heat from outer objects ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : 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 Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Frequency of waves Wavelength Clarity of waves Intensity of waves Frequency of waves Wavelength Clarity of waves Intensity of waves ANSWER DOWNLOAD EXAMIANS APP
Physics The colours of stars depend on their Radius Temperature Atmospheric pressure Distance Radius Temperature Atmospheric pressure Distance ANSWER DOWNLOAD EXAMIANS APP