Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Energy stored in the nucleus of an atom is called Kinetic energy Atomic energy Potential energy Nuclear energy Kinetic energy Atomic energy Potential energy Nuclear energy ANSWER DOWNLOAD EXAMIANS APP
Physics To convert temperature from Celcius to Kelvin scale, you must ________ the given temperature. Multiply 273 Divide by 273 Add 273 Subtract 273 Multiply 273 Divide by 273 Add 273 Subtract 273 ANSWER DOWNLOAD EXAMIANS APP
Physics If there were no gravity, which of the following will not be there for a fluid? Viscosity Surface Tension Upward Thrust Pressure Viscosity Surface Tension Upward Thrust Pressure 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 : (7/3)f (3/4)f F (4/3)f (7/3)f (3/4)f F (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised ANSWER DOWNLOAD EXAMIANS APP