Physics The information of brilliant colors in a thin soap film is a consequence of the phenomena of Multiple refraction and dispersion Diffraction and dispersion Multiple reflection and interference Polarization and interference Multiple refraction and dispersion Diffraction and dispersion Multiple reflection and interference Polarization and interference ANSWER DOWNLOAD EXAMIANS APP
Physics A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because The stone conveys the heat away from the feet more rapidly than the carpet The carpet is a better conductor of heat than the stone The human body maintains a constant temperature The floor and carpet are at different temperatures The stone conveys the heat away from the feet more rapidly than the carpet The carpet is a better conductor of heat than the stone The human body maintains a constant temperature The floor and carpet are at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following is not an electromagnetic wave? Infrared Ray R-Ray Cathode Ray X-Ray Infrared Ray R-Ray Cathode Ray X-Ray ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) ANSWER DOWNLOAD EXAMIANS APP