Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Diffusion Sublimation Evaporation Vaporisation Diffusion Sublimation Evaporation Vaporisation ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Oscillator Amplifier Conductor Rectifier Oscillator Amplifier Conductor Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? It has no unit Kg/m Kg/m3 Kg/m2 It has no unit Kg/m Kg/m3 Kg/m2 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Quartz clocks White dwarfs Pulsars Atomic clocks Quartz clocks White dwarfs Pulsars Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Sink in mercury Will dissolve in mercury Will be partly immersed mercury Will be on the surface of mercury Sink in mercury Will dissolve in mercury Will be partly immersed mercury Will be on the surface of mercury ANSWER DOWNLOAD EXAMIANS APP