Physics The surface tension of water on adding detergent to it Increases Decreases Becomes zero No change Increases Decreases Becomes zero No change ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Yellow Blue Orange Green Yellow Blue Orange Green ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Joule Coulomb Ohm Newton Joule Coulomb Ohm Newton ANSWER DOWNLOAD EXAMIANS APP
Physics In sunlight a rose appears red. In green light, the same rose appears Yellow Green Black Red Yellow Green Black Red ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue sky by sea water Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue sky by sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP