Physics For a freely falling body, the sum of kinetic energy and potential energy is always Unity Zero Same Variable Unity Zero Same Variable ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts behaves like insulating media No radiation of heat takes place Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media No radiation of heat takes place Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Nuclear Energy None of these Fossil fuel Renewable Energy Nuclear Energy None of these Fossil fuel Renewable Energy ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Evaporation Vaporisation Sublimation Diffusion Evaporation Vaporisation Sublimation Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Remains the same Becomes double Becomes half Becomes zero Remains the same Becomes double Becomes half Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Polarisation Refraction Interference Reflection Polarisation Refraction Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
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