Physics Why does the sea appear blue in colour? Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Vacuum Air Water Glass Vacuum Air Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Varies with the increase of depth of the immersion of the iron piece Will decrease Will increase Does not change Varies with the increase of depth of the immersion of the iron piece Will decrease Will increase Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following game, players must have the knowledge of Pascal's law? Paragliding Climbing Scuba diving Rafting Paragliding Climbing Scuba diving Rafting ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be > P 2P P < P > P 2P P < P ANSWER DOWNLOAD EXAMIANS APP
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