Physics In a conductor The valence band and the conduction band overlap each other The forbidden energy gap is very wide The forbidden energy gap is very narrow There is no conduction band The valence band and the conduction band overlap each other The forbidden energy gap is very wide The forbidden energy gap is very narrow There is no conduction band ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Vaccum Solids Liquids Gases Vaccum Solids Liquids Gases ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the sun reaches earth by the process of Conduction All of these Convection Radiation Conduction All of these Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 1200C flows in 6 seconds. 100 7200 3600 200 100 7200 3600 200 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following was the first theory of superconductivity? London theory Quantum field theory Resonating valence bond theory Ginzburg Landau theory London theory Quantum field theory Resonating valence bond theory Ginzburg Landau theory ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP