Physics Danger signals are generally red as red light Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation ANSWER DOWNLOAD EXAMIANS APP
Physics An object having the capability to do work is said to possess Energy Inertia Pressure Force Energy Inertia Pressure Force ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Atomic absorption Electron absorption Atomic emission Electron emission Atomic absorption Electron absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Non-coherent and monochromatic Coherent and non-monochromatic Non-coherent and non-monochromatic Coherent and monochromatic Non-coherent and monochromatic Coherent and non-monochromatic Non-coherent and non-monochromatic Coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot See distant objects Have persistence of vision See black colour Distinguish between certain colours See distant objects Have persistence of vision See black colour Distinguish between certain colours ANSWER DOWNLOAD EXAMIANS APP