Physics In a refrigerator what produces the cooling ? None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies To the left side of the body Ahead of his feet Behind his feet At the centre of the body To the left side of the body Ahead of his feet Behind his feet At the centre of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Steel Air Water Vacuum Steel Air Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Megahertz is a measurement of Speed Capacity Wavelength Frequency Speed Capacity Wavelength Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Microwaves Ultraviolet rays Infrared rays Radio waves Microwaves Ultraviolet rays Infrared rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Inverted Concave Convex Plain Inverted Concave Convex Plain ANSWER DOWNLOAD EXAMIANS APP