Physics Stars in the sky appear to twinkle due to A series of refractions A surface tension phenomenon Multiple diminishing brightness A series of reflections A series of refractions A surface tension phenomenon Multiple diminishing brightness A series of reflections ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (4/3)f (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f F ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Polarisation Interference Reflection Diffraction Polarisation Interference Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Newton's third law of motion Newton's first law of motion Conservation of energy Backward thrust of gases produced Newton's third law of motion Newton's first law of motion Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics In quantum mechanics a particle is represented by a Wave packet None of these Particle Wave Wave packet None of these Particle Wave ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels ANSWER DOWNLOAD EXAMIANS APP
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