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Stream line motion becomes turbulent mot...

Stream line motion becomes turbulent motion when the velocity of the liquid is

A

beyond critical velocity

B

critical velocity

C

below critical velocity

D

variable velocity

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The correct Answer is:
A
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Knowledge Check

  • In a uniforme circular motion, the velocity of linear velocity of a particle

    A
    changes instantaneously
    B
    cahnges periodically
    C
    constant
    D
    changes abruptly

  • In turbulent flow the velocity of the liquid molecules in contact with the walls of the tube.

    A
    is zero
    B
    is maximum
    C
    is equal to critical velocity
    D
    may have any value

  • Assertion : The average and instantaneous velocities have same value in a uniform motion. Reason : In uniform motion, the velocity of an object increases uniformly

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If the assertion and reason both are false

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