Physics What type of lens is used in a magnifying glass None of these Concave Convex Plano-concave None of these Concave Convex Plano-concave ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in rolling is more than in lifting. Work done in lifting the stone is equal to rolling it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in lifting the stone is equal to rolling it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Alpha particle X rays Gama particle UV rays Alpha particle X rays Gama particle UV rays ANSWER DOWNLOAD EXAMIANS APP
Physics The magnitude of buoyant force depends on the ________ of the fluid. Mass Temperature Volume Density Mass Temperature Volume Density ANSWER DOWNLOAD EXAMIANS APP
Physics Surface tension in a liquid is due to : Cohesive force between molecules Adhesive force betweenmolecules Gravitational force between molecules Electrical force between molecules. Cohesive force between molecules Adhesive force betweenmolecules Gravitational force between molecules Electrical force between molecules. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Six's maximum and minimum thermometer Liquid thermometer Constant volume air thermometer Thermopile Six's maximum and minimum thermometer Liquid thermometer Constant volume air thermometer Thermopile ANSWER DOWNLOAD EXAMIANS APP