Physics Rolling friction is caused by ________ Buoyancy Power dissipation Non-elastic effects Gravity Buoyancy Power dissipation Non-elastic effects Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Battery Solar cell panel Solar cooker Solar heater Battery Solar cell panel Solar cooker Solar heater ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To allow the heat to get into the food through the hole To prevent the steam pressure from bursting open the pouch To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes To allow the heat to get into the food through the hole To prevent the steam pressure from bursting open the pouch To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Quartz clocks Atomic clocks Pulsars White dwarfs Quartz clocks Atomic clocks Pulsars White dwarfs ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Concave lens Cylindrical lens Plano-concave lens Convex lens Concave lens Cylindrical lens Plano-concave lens Convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Earth's core contains a large amount of iron Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity ANSWER DOWNLOAD EXAMIANS APP