Physics What device converts light energy to electrical energy? Heliostats Photodiode Photovoltaic cell Thermocouple Heliostats Photodiode Photovoltaic cell Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Indicate to the incoming warships, the location of a harbour during night Guide and help large crowds at religious gathering during nights Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Indicate to the incoming warships, the location of a harbour during night Guide and help large crowds at religious gathering during nights Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Half Two times No change Four times Half Two times No change Four times ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to The fact that sun emits only red colour at that time That all other colours scatter away except red That sun comes out of the mountains Red light having longer wave length scatters away The fact that sun emits only red colour at that time That all other colours scatter away except red That sun comes out of the mountains Red light having longer wave length scatters away ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Flint glass Pyrex glass Ordinary glass Cobalt glass Flint glass Pyrex glass Ordinary glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Concave lens Convex lens Cylindrical lens Plano-concave lens Concave lens Convex lens Cylindrical lens Plano-concave lens ANSWER DOWNLOAD EXAMIANS APP