Physics Radiocarbon is produced in the atmosphere as a result of 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. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
Physics If velocity is constant then acceleration is what? Constant Zero Increasing Infinite Constant Zero Increasing Infinite ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Motional energy Rotational energy Kinetic energy Potential energy Motional energy Rotational energy Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Velocity Acceleration Energy Displacement Velocity Acceleration Energy Displacement ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of G-ray Ultraviolet ray Infrared ray X-ray G-ray Ultraviolet ray Infrared ray X-ray ANSWER DOWNLOAD EXAMIANS APP
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