Physics Which is evidence that supports the dynamo theory? Earth's core contains a large amount of iron Granite and basalt conduct electricity Convection occurs in Earth's inner core Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Granite and basalt conduct electricity Convection occurs in Earth's inner core Earth's outer core contains liquid that conducts electricity ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can either be created or destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Joule per kelvin Watt per kelvin Newton per kelvin Pascal per kelvin Joule per kelvin Watt per kelvin Newton per kelvin Pascal per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Convection Evaporation Thermal Expansion Revolution Convection Evaporation Thermal Expansion Revolution ANSWER DOWNLOAD EXAMIANS APP
Physics Holography is a technique of Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Diffusion Capillarity Surface tension Viscosity Diffusion Capillarity Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP