Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 10 MeV 0.1 MeV 100 MeV 1 MeV 10 MeV 0.1 MeV 100 MeV 1 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of vaporization Principle of calorimetry Principle of colors Principle of thermal equilibrium Principle of vaporization Principle of calorimetry Principle of colors Principle of thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Concave lens Glass slab Convex lens Prism Concave lens Glass slab Convex lens Prism ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Increases No change Becomes zero Decreases Increases No change Becomes zero Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Ultraviolet Infrared Radiowave Millimeter wave Ultraviolet Infrared Radiowave Millimeter wave ANSWER DOWNLOAD EXAMIANS APP