Online Test physics 05

1.Torricelli is the unit of





2.A simple mercury barometer is found in a singly slanting position. Then the atmospheric pressure





3.The instrument used to determine the R.D. of the liquid by the principle of floatation is





4.A lactometer is used to





5.Solids have definite shapes. This is because





6.The attraction of unlike molecules at the common surface is known as





7.Meniscus of mercury in a capillary tube is





8.When a drop of oil is placed on the surface of water, it spreads over the entire surface because the surface tension of oil





9.A small quantity of blue ink is gently dropped in a beaker containing water. In a few minutes’, The entire water acquires a light blue color . This physical process involved here is





10.Oil rises in  the wick lamp through







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