Physics Speed of sound is the greatest in : Glycerine Air Glass Water Glycerine Air Glass Water ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Lower wavelengths only Intermediate wavelengths only All wavelengths Higher wavelengths only Lower wavelengths only Intermediate wavelengths only All wavelengths Higher wavelengths only ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media ANSWER DOWNLOAD EXAMIANS APP
Physics Two vectors are said to be equal if Both magnitude and direction are same Only their magnitudes are same Only their directions are same Magnitudes are same but directions are opposite Both magnitude and direction are same Only their magnitudes are same Only their directions are same Magnitudes are same but directions are opposite ANSWER DOWNLOAD EXAMIANS APP
Physics The flow of thermal energy is called Potential Voltage Heat Current Potential Voltage Heat Current ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. the pressure inside is less than the pressure outside. ANSWER DOWNLOAD EXAMIANS APP
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