Physics Water pipes in hilly areas often burst on a cold frosty night, because Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Depends on their masses Both reach at the same time Sphere Disk Depends on their masses Both reach at the same time Sphere Disk ANSWER DOWNLOAD EXAMIANS APP
Physics The lift of an aeroplane is caused by Law of gravitation Bernouli's theorem Theorem of continuity Pascel's law Law of gravitation Bernouli's theorem Theorem of continuity Pascel's law ANSWER DOWNLOAD EXAMIANS APP
Physics Blowing Air with open pipe is an example of : Isobaric process Adiabatic process Isochroric process Isothermal process Isobaric process Adiabatic process Isochroric process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Heinrich Hertz John Logie Baird Thomas Alva Edison James Clerk Maxwell Heinrich Hertz John Logie Baird Thomas Alva Edison James Clerk Maxwell ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They use less oxygen Their lungs are very large They have extra air sacs They fly inactively They use less oxygen Their lungs are very large They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP