Physics It is easier to roll a barrel full of coal tar than to pull it because coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled ANSWER DOWNLOAD EXAMIANS APP
Physics Modem is used mostly for ? A modern empty memory modules Connecting to internet All listed here Mostly for file system A modern empty memory modules Connecting to internet All listed here Mostly for file system ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Wilhelm Rontgen Pierre Curie Marie Curie Ernest Rutherford Wilhelm Rontgen Pierre Curie Marie Curie Ernest Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to Short circuitry of the appliance The filament of the appliance The outer metallic body of the appliance The fuse of the appliance Short circuitry of the appliance The filament of the appliance The outer metallic body of the appliance The fuse of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can they can work during the day and night All of these they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can they can work during the day and night All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which term is not associated with sound wave? Candela Hertz Mach Decibel Candela Hertz Mach Decibel ANSWER DOWNLOAD EXAMIANS APP