Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I, II and III I and III I and II II and III I, II and III I and III I and II II and III ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Petrol Salt water Fresh water Mercury Petrol Salt water Fresh water Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? None of these Work input > work output These make work easier Both A & B None of these Work input > work output These make work easier Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? Nuclear Fusion None of these Controlled Nuclear Fission Magnetic confinement of Plasma Nuclear Fusion None of these Controlled Nuclear Fission Magnetic confinement of Plasma ANSWER DOWNLOAD EXAMIANS APP
Physics Visible light has a higher frequency than Radio waves Ultra violet X rays All listed here Radio waves Ultra violet X rays All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP