Physics Why does'nt the hydrogen atom emit X-rays? It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following was the first theory of superconductivity? London theory Ginzburg Landau theory Quantum field theory Resonating valence bond theory London theory Ginzburg Landau theory Quantum field theory Resonating valence bond theory ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism in materials is due to Electrons at rest All neutrons at rest Circular motion of electrons Protons at rest Electrons at rest All neutrons at rest Circular motion of electrons Protons at rest ANSWER DOWNLOAD EXAMIANS APP
Physics A NOT gate can be implemented by: Two diodes A single transistor A single diode A single resistor Two diodes A single transistor A single diode A single resistor ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Mercury is a semisolid Of the high viscosity of mercury The density of mercury is greater than that of steel Of the surface tension of mercury Mercury is a semisolid Of the high viscosity of mercury The density of mercury is greater than that of steel Of the surface tension of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Thermocouple consists of Metal and a semiconductor Two dissimilar metals Two similar metals Metal and an insulator Metal and a semiconductor Two dissimilar metals Two similar metals Metal and an insulator ANSWER DOWNLOAD EXAMIANS APP
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