Physics The blue colour of water in the sea is due to 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 Scattering of blue light by water molecules Absorption of other colours except blue by water molecules Reflection of blue sky by sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Offer minimum resistance to flow of electric current Conduct electricity at low temperature Conduct electricity at high temperature Offer high resistance to the flow of electric current Offer minimum resistance to flow of electric current Conduct electricity at low temperature Conduct electricity at high temperature Offer high resistance to the flow of electric current ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves do not show the phenomenon of Diffraction Polarisation Interference Refraction Diffraction Polarisation Interference Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (3/4)f (4/3)f F (7/3)f (3/4)f (4/3)f F (7/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Air Steel Vacuum Water Air Steel Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics Wollen clothes keep the body warm because Wool absorbs radiant heat from outer objects Wool is a bad conductor Wool rejects heat from the outer objects Wool increases the temperature of the body Wool absorbs radiant heat from outer objects Wool is a bad conductor Wool rejects heat from the outer objects Wool increases the temperature of the body ANSWER DOWNLOAD EXAMIANS APP