Physics What is refractive index ? None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
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 : Vaporisation Sublimation Diffusion Evaporation Vaporisation Sublimation Diffusion Evaporation ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which A metal loses conductivity A metal loses magnetic properties. Matter becomes radioactive Transmutation of metal occurs. A metal loses conductivity A metal loses magnetic properties. Matter becomes radioactive Transmutation of metal occurs. ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant speed Varying acceleration Constant velocity Constant acceleration Constant speed Varying acceleration Constant velocity Constant acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of energy in MKS system is Volt Ohm Joule Erg Volt Ohm Joule Erg ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 400 J 200 J 0 J 100 J 400 J 200 J 0 J 100 J ANSWER DOWNLOAD EXAMIANS APP
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