Physics Rainbow is due to refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets ionisation of water deposits absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets ionisation of water deposits absorption of sunlight in minute water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? Magnetic confinement of Plasma None of these Controlled Nuclear Fission Nuclear Fusion Magnetic confinement of Plasma None of these Controlled Nuclear Fission Nuclear Fusion ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A horizontal straight line A parabola A vertical straight line A circle A horizontal straight line A parabola A vertical straight line A circle ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum Both suffer the same change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce X-rays Radio waves Gama rays Micro waves X-rays Radio waves Gama rays Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Water Air Glycerine Glass Water Air Glycerine Glass ANSWER DOWNLOAD EXAMIANS APP