Physics A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? Circle Hyper–parabolic Great circle Parabolic Circle Hyper–parabolic Great circle Parabolic ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrocution It may cause electrolysis It may cause hydrolysis It may spoil the wiring It may cause electrocution It may cause electrolysis It may cause hydrolysis It may spoil the wiring ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue sky by sea water Scattering of blue light by water molecules Absorption of other colours except blue by water molecules Reflection of blue light by impurities in sea water Reflection of blue sky by sea water Scattering of blue light by water molecules Absorption of other colours except blue by water molecules Reflection of blue light by impurities in sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Moist air does not absorb sound Sound travels faster in moist air Moist air absorbs sound Sound travels slowly in moist air Moist air does not absorb sound Sound travels faster in moist air Moist air absorbs sound Sound travels slowly in moist air 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 Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Conduction Convection Radiation Insulation Conduction Convection Radiation Insulation ANSWER DOWNLOAD EXAMIANS APP
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