Physics The velocity of sound in air Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature 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 and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Bicycle Knife Screw Ramp Bicycle Knife Screw Ramp ANSWER DOWNLOAD EXAMIANS APP
Physics A fountain pen works on the principle of Capillary action Viscosity of liquids Bernoulli's principle Flow of liquids from higher to lower potential Capillary action Viscosity of liquids Bernoulli's principle Flow of liquids from higher to lower potential ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Energy Angular momentum Linear momentum Force Energy Angular momentum Linear momentum Force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Petrol Salt water Fresh water Mercury Petrol Salt water Fresh water Mercury ANSWER DOWNLOAD EXAMIANS APP
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