Physics Convex mirror is generally used in ________ Opthalmoscope Solar cookers Reflector for head light Rear view mirror Opthalmoscope Solar cookers Reflector for head light Rear view mirror ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Viscous force exerted by air Upward thrust due to air Air current Surface tension Viscous force exerted by air Upward thrust due to air Air current Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because None of these Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break 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 : (3/4)f F (4/3)f (7/3)f (3/4)f F (4/3)f (7/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? Niels Bohr Edwin Hubble V Raman S Chandra Shekhar Niels Bohr Edwin Hubble V Raman S Chandra Shekhar ANSWER DOWNLOAD EXAMIANS APP
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