Physics Water pipes in hilly areas often burst on a cold frosty night, because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Visible light Microwave radiation Gamma rays UV rays Visible light Microwave radiation Gamma rays UV rays ANSWER DOWNLOAD EXAMIANS APP
Physics Submerged objects can be located using Radar Pulsar Sonar Quasar Radar Pulsar Sonar Quasar ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density Remains same None of these Decreases Increases Remains same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 600 units 6 units 0.6 units 60 units 600 units 6 units 0.6 units 60 units ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Infrared Millimeter wave Radiowave Ultraviolet Infrared Millimeter wave Radiowave Ultraviolet ANSWER DOWNLOAD EXAMIANS APP