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 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 The stone conveys the heat away from the feet more rapidly than the carpet ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Tidal energy Wind energy Geothermal energy Solar energy Tidal energy Wind energy Geothermal energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds 0.5 1 5.5 11 0.5 1 5.5 11 ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is None of these Alpha rays Gamma rays Beta rays None of these Alpha rays Gamma rays Beta rays ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat ANSWER DOWNLOAD EXAMIANS APP