Physics Sound becomes hazardous noise pollution at decibels? Above 80 db Above 30 db Above 120 db Above 50 db Above 80 db Above 30 db Above 120 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics Erg cross Sec is the unit of Planck's constant Energy Angular momentum Linear Momentum Planck's constant Energy Angular momentum Linear Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature do the Fahrenheit and Celsius scales give the same reading? 0 degreees -40 degreees 212 degrees 32 degreees 0 degreees -40 degreees 212 degrees 32 degreees ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid cools The liquid boils No change The liquid evaporates The liquid cools The liquid boils No change The liquid evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A pair of scissors A ramp A lever The pulley A pair of scissors A ramp A lever The pulley 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 carpet is a better conductor of heat than the stone The human body maintains a constant temperature The stone conveys the heat away from the feet more rapidly than the carpet The floor and carpet are at different temperatures The carpet is a better conductor of heat than the stone The human body maintains a constant temperature The stone conveys the heat away from the feet more rapidly than the carpet The floor and carpet are at different temperatures ANSWER DOWNLOAD EXAMIANS APP