Physics Woollen cloth protects the body from cold because External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: non-renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource Renewable natural resource non-renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource Renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar The entire bulk of the bar gets magnetised Only the ends of the bar get magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised The entire bulk of the bar gets magnetised Only the ends of the bar get magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass reacts chemically with water Water evaporates Glass suddenly expands Glass suddenly contracts Glass reacts chemically with water Water evaporates Glass suddenly expands Glass suddenly contracts ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Total Internal Reflection Diffraction Dispersion Interference Total Internal Reflection Diffraction Dispersion Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument for measuring blueness of the sky or ocean is called ________ Barometer Cyanometer Ceraunograph Bathymeter Barometer Cyanometer Ceraunograph Bathymeter ANSWER DOWNLOAD EXAMIANS APP