Physics Red light is used for signals because it has High frequency Long wavelength Low refraction in the medium High intensity High frequency Long wavelength Low refraction in the medium High intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Interference of the sun light from water surface Reflection of the sun light from water surface Refraction of the sun light Scattering of the sunlight by water molecules Interference of the sun light from water surface Reflection of the sun light from water surface Refraction of the sun light Scattering of the sunlight by water molecules ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Insolation Conduction Radiation Convection Insolation Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of thermal equilibrium Principle of calorimetry Principle of colors Principle of vaporization Principle of thermal equilibrium Principle of calorimetry Principle of colors Principle of vaporization ANSWER DOWNLOAD EXAMIANS APP
Physics Which physical quantity is measured in 'siemens'? Magnetic flux Electrical conductance Refractive index Electric potential Magnetic flux Electrical conductance Refractive index Electric potential ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The sea is-deeper than the river The density of sea water is lesser than the density of river water The sea is wider than the river The density of sea water is more than the density of river water The sea is-deeper than the river The density of sea water is lesser than the density of river water The sea is wider than the river The density of sea water is more than the density of river water ANSWER DOWNLOAD EXAMIANS APP