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The intensity of pressure at a point in a fluid is the same in all the directions, only when
  • a)
    the fluid is frictionless and incompressible
  • b)
    The fluid is frictionless
  • c)
    There is no motion of one fluid layer relative to an adjacent layer
  • d)
    The fluid has zero viscosity and fluid is in motion
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The intensity of pressure at a point in a fluid is the same in all the...
According to Pascal’s Law, the pressure or intensity of pressure at a point in a static fluid is equal in all directions.
This law is valid for the cases of fluid flow where shear stresses do not exist. The cases are
  • Fluid at rest
  • No relative motion exists between different fluid layers. For example, fluid at a constant linear acceleration in a container
  • Ideal fluid flow where viscous force is negligible
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Most Upvoted Answer
The intensity of pressure at a point in a fluid is the same in all the...
The intensity of pressure at a point in a fluid is the same in all directions only when there is no motion of one fluid layer relative to an adjacent layer. This can be explained as follows:

Explanation:
• When a fluid is in motion, the fluid layers tend to slide over each other, causing a difference in pressure in the horizontal direction.
• However, if the fluid is moving uniformly, i.e., there is no relative motion between adjacent layers, the pressure at a point is the same in all directions.
• This is because the pressure on any given point is exerted by the fluid in contact with that point, which is the same in all directions.
• Therefore, the condition of no relative motion between adjacent layers is necessary for the intensity of pressure at a point in a fluid to be the same in all directions.

Conclusion:
The option 'C' is the correct answer as it explains the necessary condition for the intensity of pressure at a point in a fluid to be the same in all directions.
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The intensity of pressure at a point in a fluid is the same in all the directions, only whena)the fluid is frictionless and incompressibleb)The fluid is frictionlessc)There is no motion of one fluid layer relative to an adjacent layerd)The fluid has zero viscosity and fluid is in motionCorrect answer is option 'C'. Can you explain this answer?
Question Description
The intensity of pressure at a point in a fluid is the same in all the directions, only whena)the fluid is frictionless and incompressibleb)The fluid is frictionlessc)There is no motion of one fluid layer relative to an adjacent layerd)The fluid has zero viscosity and fluid is in motionCorrect answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The intensity of pressure at a point in a fluid is the same in all the directions, only whena)the fluid is frictionless and incompressibleb)The fluid is frictionlessc)There is no motion of one fluid layer relative to an adjacent layerd)The fluid has zero viscosity and fluid is in motionCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The intensity of pressure at a point in a fluid is the same in all the directions, only whena)the fluid is frictionless and incompressibleb)The fluid is frictionlessc)There is no motion of one fluid layer relative to an adjacent layerd)The fluid has zero viscosity and fluid is in motionCorrect answer is option 'C'. Can you explain this answer?.
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