Physics Least audible sound for most of the human ear is : 0.0002 µ bar 5.0 µ bar 10.0 µ bar 0.005 µ bar 0.0002 µ bar 5.0 µ bar 10.0 µ bar 0.005 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nickel Tungsten Nichrome Chromium Nickel Tungsten Nichrome Chromium ANSWER DOWNLOAD EXAMIANS APP
Physics While ascending a hill, the driver of the vehicle keeps the gear ratio Less than 1 Equal to 1 Either equal to or greater than 1 Greater than 1 Less than 1 Equal to 1 Either equal to or greater than 1 Greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is increased under reverse bias Increases with heavy doping Decreases with light doping Is independent of applied voltage Is increased under reverse bias Increases with heavy doping Decreases with light doping Is independent of applied voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less pressure than dry air. More pressure than dry air. More density than dry air. Less density than dry air. Less pressure than dry air. More pressure than dry air. More density than dry air. Less density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics Stars in the sky appear to twinkle due to Multiple diminishing brightness A series of reflections A series of refractions A surface tension phenomenon Multiple diminishing brightness A series of reflections A series of refractions A surface tension phenomenon ANSWER DOWNLOAD EXAMIANS APP