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A bubble is present at the bottom of a pool. Assuming that the temperature of the pool is constant throughout the water,which of the following describes the change of the pressure and density of air in the bubble as it rises to the surface: PRESSURE DENSITY A)INCREASE DECREASE B)INCREASE INCREASE C)DECREASE INCREASE D)DECREASE DECREASE (please give the reason also)

A bubble is present at the bottom of a pool.
Assuming that the temperature of the pool is constant throughout the water,which of the following describes the change of the pressure and density of air in the bubble as it rises to the surface:
PRESSURE              DENSITY
A)INCREASE            DECREASE
B)INCREASE            INCREASE
C)DECREASE           INCREASE
D)DECREASE           DECREASE 
(please give the reason also)
 

Grade:8

1 Answers

Nitesh
102 Points
6 years ago
Cor rectangular answer is A.because from law of diffusion ultimate tendency of any substance is to go from high pressure to low pressure at constant temperature. So as the pressure increase.and volume of bubble increase so density decrease.So the answer is A

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