Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Decreases the moment of inertia Helps the engine in keeping the speed uniform Gives strength to the engine Accelerates the speed of the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform Gives strength to the engine Accelerates the speed of the engine ANSWER DOWNLOAD EXAMIANS APP
Physics The transport phenomenon occurs only in ________ state of a gas and is ________ Non-equilibrium, irreversible Non-equilibrium, reversible Equilibrium, reversible Equilibrium, irreversible Non-equilibrium, irreversible Non-equilibrium, reversible Equilibrium, reversible Equilibrium, irreversible ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Mica Asbestos Rubber Celluloid Mica Asbestos Rubber Celluloid ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of One hour One day A fraction of a second One minute One hour One day A fraction of a second One minute ANSWER DOWNLOAD EXAMIANS APP
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