Physics The Laser is a beam of radiations which are Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics The energy that generates wind comes from what source? Solar radiation Anemometers None of these Ocean currents Solar radiation Anemometers None of these Ocean currents ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves Towards you Both A & B None of these Away from you Towards you Both A & B None of these Away from you ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Ultra-violet radiation Microwave radiation Infra-red radiation Gamma radiation Ultra-violet radiation Microwave radiation Infra-red radiation Gamma radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.0002 µ bar 0.005 µ bar 10.0 µ bar 5.0 µ bar 0.0002 µ bar 0.005 µ bar 10.0 µ bar 5.0 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, It must have constant speed It must have constant speed in constant direction It must have constant direction None of these It must have constant speed It must have constant speed in constant direction It must have constant direction None of these ANSWER DOWNLOAD EXAMIANS APP