Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The bell jar breaks up The mercury level starts falling The mercury level starts rising The mercury level does not change The bell jar breaks up The mercury level starts falling The mercury level starts rising The mercury level does not change ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Conduction Convection None of these Radiation Conduction Convection None of these Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which Matter becomes radioactive A metal loses magnetic properties. A metal loses conductivity Transmutation of metal occurs. Matter becomes radioactive A metal loses magnetic properties. A metal loses conductivity Transmutation of metal occurs. ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? 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 Earth's core contains a large amount of iron ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Thomas Alva Edison John Logie Baird James Clerk Maxwell Heinrich Hertz Thomas Alva Edison John Logie Baird James Clerk Maxwell Heinrich Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% ANSWER DOWNLOAD EXAMIANS APP
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