Online Test physics 06

1.The operating principle of hydraulic press is

2.The aneroid barometer uses

3.A device used to measure heights above the sea is known as

4.The excess of pressure inside a drop or a bubble is

5.A sudden fall in the level of the mercury in

6.Which of the following statements is true The pressure at a point at a given depth in a fluid

7.The instrument used to measure atmospheric pressure is

8.Insects move on the surface of the water sinking because of

9.The height of a water barometer at a place where atmospheric pressure is 30 inches of the mercury ( Specific gravity 13.6) is

10.A rubber ball with several pin holes is filled with water. On squeezing it, water is forced out with equal force through all the holes. This proves

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