Physics Night photography and photopraphy in mist and fog are possible using Gamma radiation Infra-red radiation Ultra-violet radiation Microwave radiation Gamma radiation Infra-red radiation Ultra-violet radiation Microwave radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a non-dimensional quantity? Gas constant Co-efficient of viscocity Strain Plank's constant Gas constant Co-efficient of viscocity Strain Plank's constant ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Glass Water Air Glycerine Glass Water Air Glycerine ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets absorption of sunlight in minute water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of mass Conservation of momentum Conservation of charge Conservation of energy Conservation of mass Conservation of momentum Conservation of charge Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
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