Physics Radiocarbon is produced in the atmosphere as a result of Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics Kinetic energy depends on The pressure of the moving body Both mass and velocity of the moving body The velocity or speed of the moving body. The mass of the moving body The pressure of the moving body Both mass and velocity of the moving body The velocity or speed of the moving body. The mass of the moving body ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Laser Maser Eraser Grazer Laser Maser Eraser Grazer ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Reflection of light Total internal reflection of light Scattering of light Refraction of light Reflection of light Total internal reflection of light Scattering of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest entropy? Liquid nitrogen Hydrogen Diamond Mercury Liquid nitrogen Hydrogen Diamond Mercury ANSWER DOWNLOAD EXAMIANS APP
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