Physics The increasing order of the refractive index of certain materials is (left to right) ________ Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? The person can sit on it like a raft It provides oxygen to a drowning person It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat The person can sit on it like a raft It provides oxygen to a drowning person It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics The energy that generates wind comes from what source? Solar radiation None of these Anemometers Ocean currents Solar radiation None of these Anemometers Ocean currents ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is seen after rain because of hanging molecules of water which act as Lenses Slabs Mirrors Prisms Lenses Slabs Mirrors Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Mercury Petrol Salt water Fresh water Mercury Petrol Salt water Fresh water ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.20902777777778 0.12777777777778 0.21111111111111 0.12638888888889 0.20902777777778 0.12777777777778 0.21111111111111 0.12638888888889 ANSWER DOWNLOAD EXAMIANS APP