Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Sublimation Vaporisation Evaporation Diffusion Sublimation Vaporisation Evaporation Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Cool air is replaced by warm air Warm air falls down Cool air falls down Air always falls down Cool air is replaced by warm air Warm air falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Watt per meter per degree celcius Joule per kilogram per Kelvin Coulomb Newton second per square meter Watt per meter per degree celcius Joule per kilogram per Kelvin Coulomb Newton second per square meter ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Tangent Reflected ray Normal Surface Tangent Reflected ray Normal Surface ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Scattering of blue light by water molecules Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Reflection of blue light by impurities in sea water Scattering of blue light by water molecules Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Reflection of blue light by impurities in sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of displacement is known as ________ Speed Acceleration Distance Velocity Speed Acceleration Distance Velocity ANSWER DOWNLOAD EXAMIANS APP