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 behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Which combination of colour is the most convenient during day and night time ? Organe and blue White and black Red and green Yellow and blue Organe and blue White and black Red and green Yellow and blue ANSWER DOWNLOAD EXAMIANS APP
Physics The three famous law of Kepler is related to Optics Oscillations Speed Planetary Motion Optics Oscillations Speed Planetary Motion ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Production of steam Burning of diesel Flow of water Burning of coal Production of steam Burning of diesel Flow of water Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Sound Electromagnetic Light Heat Sound Electromagnetic Light Heat ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS