Physics Pipelines in cold countries often burst in winter, because Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.008 0.016 1000 2000 0.008 0.016 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics Earliest thermometer was developed by Galileo Fahrenheit Celsius Kelvin Galileo Fahrenheit Celsius Kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels slowly in moist air Sound travels faster in moist air Moist air does not absorb sound Moist air absorbs sound Sound travels slowly in moist air Sound travels faster in moist air Moist air does not absorb sound Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Vacuum Glass Water Air Vacuum Glass Water Air ANSWER DOWNLOAD EXAMIANS APP