give the ans for std 8 q no 4
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The purpose of this experiment is to determine the relationship between depth and pressure.
Pressure and depth have a directly proportional relationship. This is due to the greater column of water that pushes down on an object submersed. Conversely, as objects are lifted, and the depth decreases, pressure is reduced. This relationship between pressure and depth may be looked at with respect to the relationship between pressure and volume, as the column of water has a specific volume and corresponding to depth. Boyle’s Law describes the relationship between pressure and volume: The product of pressure and volume is a constant (PV=k). While Boyle’s Law refers to gases, it is significant to recall that both gases and liquids are fluids, and thus follow the same rules of behavior.
The procedure used during this experiment was to inflate a balloon at the surface of the water and measure the circumference with a measuring tape. The balloon was then taken to a 0.5000m, 1.000m, 1.500m, and 2.000m, measuring circumferences at each depth respectively.
Pressure and depth have a directly proportional relationship. This is due to the greater column of water that pushes down on an object submersed. Conversely, as objects are lifted, and the depth decreases, pressure is reduced. This relationship between pressure and depth may be looked at with respect to the relationship between pressure and volume, as the column of water has a specific volume and corresponding to depth. Boyle’s Law describes the relationship between pressure and volume: The product of pressure and volume is a constant (PV=k). While Boyle’s Law refers to gases, it is significant to recall that both gases and liquids are fluids, and thus follow the same rules of behavior.
The procedure used during this experiment was to inflate a balloon at the surface of the water and measure the circumference with a measuring tape. The balloon was then taken to a 0.5000m, 1.000m, 1.500m, and 2.000m, measuring circumferences at each depth respectively.
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