Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these Water in the pipes freezes and on freezing water expands, so pipes break ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of the earth's atmosphere, sky would appear White Black Deep red Blue White Black Deep red Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Centrifugal forces Centripetal forces Central forces Non central forces Centrifugal forces Centripetal forces Central forces Non central forces ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The density of sea water is lesser than the density of river water The sea is wider than the river The density of sea water is more than the density of river water The sea is-deeper than the river The density of sea water is lesser than the density of river water The sea is wider than the river The density of sea water is more than the density of river water The sea is-deeper than the river ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Reflection Interference Polarisation Diffraction Reflection Interference Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Tesla Heartz Decibel Newton Tesla Heartz Decibel Newton ANSWER DOWNLOAD EXAMIANS APP