Physics A nuclear reactor is said to have become 'critical' when It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level does not change The mercury level starts rising The bell jar breaks up The mercury level starts falling The mercury level does not change The mercury level starts rising The bell jar breaks up The mercury level starts falling ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Conduction None of these Convection Radiation Conduction None of these Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Air gap is created between the two surfaces Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Air gap is created between the two surfaces Irregularities on both the surfaces are removed ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Newton's second law Law of inertia Pascal's law Newton's third law Newton's second law Law of inertia Pascal's law Newton's third law ANSWER DOWNLOAD EXAMIANS APP
Physics The large collection of stars, dust and gas held together by gravitational attraction between components is known as Galaxy Sun Family Atmosphere Cluster Galaxy Sun Family Atmosphere Cluster ANSWER DOWNLOAD EXAMIANS APP
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