Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of calorimetry Principle of thermal equilibrium Principle of colors Principle of vaporization Principle of calorimetry Principle of thermal equilibrium Principle of colors Principle of vaporization ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Susceptibility independent of temperature Point in a particular direction Hysteresis Attracting a magnetic substance Susceptibility independent of temperature Point in a particular direction Hysteresis Attracting a magnetic substance ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Ozone Ammonia Carbon dioxide Chlorine Ozone Ammonia Carbon dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Ultraviolet Infrared Radiowave Millimeter wave Ultraviolet Infrared Radiowave Millimeter wave ANSWER DOWNLOAD EXAMIANS APP
Physics What factors contribute to global winds? All of these Uneven warming of the earth by the sun Coriolis Effect Convection Cells All of these Uneven warming of the earth by the sun Coriolis Effect Convection Cells ANSWER DOWNLOAD EXAMIANS APP