Physics Rolling friction is caused by ________ Non-elastic effects Buoyancy Power dissipation Gravity Non-elastic effects Buoyancy Power dissipation Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 pascal 1 poise 1 atmosphere 1 bar 1 pascal 1 poise 1 atmosphere 1 bar ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly expands Glass reacts chemically with water Glass suddenly contracts Water evaporates Glass suddenly expands Glass reacts chemically with water Glass suddenly contracts Water evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in steel air vacuum water steel air vacuum water 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 contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Asteroid belt Ozone hole White hole Black hole Asteroid belt Ozone hole White hole Black hole ANSWER DOWNLOAD EXAMIANS APP