Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of light is maximum in ________ Vacuum Liquids Solids Gases Vacuum Liquids Solids Gases ANSWER DOWNLOAD EXAMIANS APP
Physics When the main switch of the house is put off it disconnects the Live wire and the earth wire Live wire and the neutral wire Live wire only Earth wire and the neutral wire Live wire and the earth wire Live wire and the neutral wire Live wire only Earth wire and the neutral wire ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice At the sea level Under a mine At the top of a mountain Same anywhere At the sea level Under a mine At the top of a mountain Same anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Conductor Semi conductor Superconductor Insulator Conductor Semi conductor Superconductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down ANSWER DOWNLOAD EXAMIANS APP