Physics Quiz Part 5

Instrument that measures atmospheric pressure as an indication of weather is





Bicycle tyre(Pneumatic) was invented by





A device usedto measure current is





Energy from sources that are renewable and ecologically safe, as opposed to sources that are non-renewable with toxic by-pro- ducts is





Any system consisting of only two elements is





Cash Register was invented by





Instrument used in aircraft that measures altitude,or height above sea level is





Addressograph was invented by





Metal blended with metallic some other or non-metallic substance to give it special qualities, such as resistance to corrosion is





Arc Lamp was invented by





The study of the structure of the universe and how the objects in it behave is





Celluloid was invented by...





Adding Machine was invented by





Carburetor was invented by





The smallest unit of matter that can take part in a chemical reaction, and which cannot be broken down chemically into anything simpler is





The science of the movement and behaviour of missiles, projectiles from guns, rifles and slings, bombs and rockets is





Bifocal Lens was invented by





The rate of change of the velocity of a moving body is





The effect ofthe upward force (upthrust) on an object in a fluid is





In general, the experimental and theoretical science of sound and its transmission is






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