Physics Stars appears to move from east to west because The background of the stars moves from west to east All stars move from east to west The earth rotates from east to west The earth rotates from west to east The background of the stars moves from west to east All stars move from east to west The earth rotates from east to west The earth rotates from west to east ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher surface tension Oil has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Water has a higher viscosity Oil has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Photosynthesis does not take place at such low temperature Evaporation does not take place Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails Photosynthesis does not take place at such low temperature Evaporation does not take place Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Contraction of water pipes Water expands on freezing High atmospheric pressure Combined effect of all the above three Contraction of water pipes Water expands on freezing High atmospheric pressure Combined effect of all the above three ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Falling of ultra violet rays on the white inner coating of the tube Heavy current Colision between molecules of filled gas under electric current Vacuum inside the tube Falling of ultra violet rays on the white inner coating of the tube Heavy current Colision between molecules of filled gas under electric current Vacuum inside the tube ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Decreases No change Becomes zero Increases Decreases No change Becomes zero Increases ANSWER DOWNLOAD EXAMIANS APP