Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of colors Principle of vaporization Principle of calorimetry Principle of thermal equilibrium Principle of colors Principle of vaporization Principle of calorimetry Principle of thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Mercury Silver Red oxide Silver nitrate Mercury Silver Red oxide ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of liquids vary as Pressure varies Volume varies Temperature varies Density varies Pressure varies Volume varies Temperature varies Density varies ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a valid conservation law of classical physics? Law of conservation of charge Law of conservation of current Law of conservation of energy Law of conservation of angular momentum Law of conservation of charge Law of conservation of current Law of conservation of energy Law of conservation of angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens The aperture The exposure time Size of the camera The focal length of the lens The aperture The exposure time Size of the camera ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates mechanical energy Converts mechanical energy into electrical energy Creates electrical energy Converts electrical energy into mechanical energy Creates mechanical energy Converts mechanical energy into electrical energy Creates electrical energy Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP