Physics Electron microscope works on which of the following principles? Wave Nature of electrons Motion of charged particle in electromagnetic fields Optical interference Faraday's law of Electromagnetic induction Wave Nature of electrons Motion of charged particle in electromagnetic fields Optical interference Faraday's law of Electromagnetic induction ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Plane Concave Cylindrical Convex Plane Concave Cylindrical Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest entropy? Diamond Mercury Hydrogen Liquid nitrogen Diamond Mercury Hydrogen Liquid nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Superconductor Semi conductor Insulator Conductor Superconductor Semi conductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Expands Contracts It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Expands Contracts ANSWER DOWNLOAD EXAMIANS APP
Physics One watt-hour is equivalent to 6.3 x 10-7 J 6.3 x 103 J 3.6 x 10-3 J 3.6 x 103 J 6.3 x 10-7 J 6.3 x 103 J 3.6 x 10-3 J 3.6 x 103 J ANSWER DOWNLOAD EXAMIANS APP