Physics Sending a frame to a group of stations is known as Single casting Casting Spreading Multicasting Single casting Casting Spreading Multicasting ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the total internal reflection scattering principle of refraction interference total internal reflection scattering principle of refraction interference ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics The rice is cooked more quickly in a pressure cooker because Less quantity of water is used. Water boils at a higher temperature under pressure. None of these It is covered. Less quantity of water is used. Water boils at a higher temperature under pressure. None of these It is covered. ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Convection Radiation Conduction Insulation Convection Radiation Conduction Insulation ANSWER DOWNLOAD EXAMIANS APP
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