Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A horizontal straight line A circle A vertical straight line A parabola A horizontal straight line A circle A vertical straight line A parabola ANSWER DOWNLOAD EXAMIANS APP
Physics In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 0.1 N 100 N 10 N 1 N 0.1 N 100 N 10 N 1 N ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Red light Green light Yellow light Violet light Red light Green light Yellow light Violet light ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Smoothness Densities Irregularities Gaps Smoothness Densities Irregularities Gaps ANSWER DOWNLOAD EXAMIANS APP
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. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Atomic emission Electron absorption Atomic absorption Electron emission Atomic emission Electron absorption Atomic absorption ANSWER DOWNLOAD EXAMIANS APP
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