Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Magnetic force Muscular force Electrostatic force Friction Magnetic force Muscular force Electrostatic force Friction ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of angular momentum Conservation of energy Conservation of momentum Conservation of mass Conservation of angular momentum Conservation of energy Conservation of momentum Conservation of mass ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature offer no resistance to the flow of electricity ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Centripetal Force Nuclear Force Electromagnetic Force Gravitational Force Centripetal Force Nuclear Force Electromagnetic Force Gravitational Force ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : 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 Water has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
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