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Spherical balls of radius ‘R’ are falling in a viscous fluid of viscosity ‘η’ with a velocity ‘v’. The retarding viscous force acting on the spherical ball is
  • a)
    inversely proportional to both radius ‘R’ and velocity ‘v’
  • b)
    directly proportional to both radius ‘R’ and velocity ‘v’
  • c)
    directly proportional to ‘R’ but inversely proportional to ‘v’
  • d)
    inversely proportional to ‘R’ but directly proportional to velocity ‘v’
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Spherical balls of radius ‘R’ are falling in a viscous flu...
From Stoke's law,
viscous force F = 6πηrv
hence F is directly proportional to radius & velocity.
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Spherical balls of radius ‘R’ are falling in a viscous fluid of viscosity ‘η’ with a velocity ‘v’. The retarding viscous force acting on the spherical ball isa)inversely proportional to both radius ‘R’ and velocity ‘v’b)directly proportional to both radius ‘R’ and velocity ‘v’c)directly proportional to ‘R’ but inversely proportional to ‘v’d)inversely proportional to ‘R’ but directly proportional to velocity ‘v’Correct answer is option 'B'. Can you explain this answer?
Question Description
Spherical balls of radius ‘R’ are falling in a viscous fluid of viscosity ‘η’ with a velocity ‘v’. The retarding viscous force acting on the spherical ball isa)inversely proportional to both radius ‘R’ and velocity ‘v’b)directly proportional to both radius ‘R’ and velocity ‘v’c)directly proportional to ‘R’ but inversely proportional to ‘v’d)inversely proportional to ‘R’ but directly proportional to velocity ‘v’Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Spherical balls of radius ‘R’ are falling in a viscous fluid of viscosity ‘η’ with a velocity ‘v’. The retarding viscous force acting on the spherical ball isa)inversely proportional to both radius ‘R’ and velocity ‘v’b)directly proportional to both radius ‘R’ and velocity ‘v’c)directly proportional to ‘R’ but inversely proportional to ‘v’d)inversely proportional to ‘R’ but directly proportional to velocity ‘v’Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Spherical balls of radius ‘R’ are falling in a viscous fluid of viscosity ‘η’ with a velocity ‘v’. The retarding viscous force acting on the spherical ball isa)inversely proportional to both radius ‘R’ and velocity ‘v’b)directly proportional to both radius ‘R’ and velocity ‘v’c)directly proportional to ‘R’ but inversely proportional to ‘v’d)inversely proportional to ‘R’ but directly proportional to velocity ‘v’Correct answer is option 'B'. Can you explain this answer?.
Solutions for Spherical balls of radius ‘R’ are falling in a viscous fluid of viscosity ‘η’ with a velocity ‘v’. The retarding viscous force acting on the spherical ball isa)inversely proportional to both radius ‘R’ and velocity ‘v’b)directly proportional to both radius ‘R’ and velocity ‘v’c)directly proportional to ‘R’ but inversely proportional to ‘v’d)inversely proportional to ‘R’ but directly proportional to velocity ‘v’Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
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