Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water decreases Boiling point of water decreases Boiling point of water increases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water decreases Boiling point of water increases Latent heat of vaporization of water increases ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies At the centre of the body Ahead of his feet Behind his feet To the left side of the body At the centre of the body Ahead of his feet Behind his feet To the left side of the body ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : Heating the medium through which it passes With the speed of light In a straight line In all directions Heating the medium through which it passes With the speed of light In a straight line In all directions ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time Only II Only III Only I and III All are correct Only II Only III Only I and III All are correct ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted In a curved path In a straight line path Due to refraction Due to total internal reflection In a curved path In a straight line path Due to refraction Due to total internal reflection 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? Conduction and radiation only Convection and radiation only Conduction, convection and radiation Conduction and convection only Conduction and radiation only Convection and radiation only Conduction, convection and radiation Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
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