Physics Which of the following laws validates the statement that matter can neither be created nor destroyed ? Law of conservation of energy Law of conservation of mass Law of osmosis Le Chatelier's Principle Law of conservation of energy Law of conservation of mass Law of osmosis Le Chatelier's Principle ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity The collector has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics In a nuclear reactor, one of the following is used as a fuel. Radium Diesel Uranium Coal Radium Diesel Uranium Coal ANSWER DOWNLOAD EXAMIANS APP
Physics Ohm's law is valid in case of Semiconductor Conductor Superconductor Insulator Semiconductor Conductor Superconductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
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