Physics Copper wires are generally used for electrical power transmission instead of iron wire because : 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 Copper is lighter than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in SHF VHF UHF HF SHF VHF UHF HF ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is J/s Js2 Js Js–2 J/s Js2 Js Js–2 ANSWER DOWNLOAD EXAMIANS APP
Physics A man jumping out of a moving train is thrown Sideways None of these Backward Forward Sideways None of these Backward Forward ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force ANSWER DOWNLOAD EXAMIANS APP