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State, for each of the following physica...

State, for each of the following physical quantities, if it is a scalar or a verctor. Volume, mass speed acceleration, density, number of moles, velocity, angular frequencey, displacemnt, angular velocity.

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Scalars. Volume, mass, sped, density, number of moles, anular frequency.
Vectors. Accelration, velocity displacement, angular velocity.
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Knowledge Check

  • Which of the following cannot be the group of fundamental quantities. (Here M is mass, L is length, T is time, F is force, A is acceleration, V is velocity)

    A
    (M,L,V)
    B
    (F,L,T)
    C
    (M,L,T)
    D
    (A,V,L)

  • Assertion : When a particle moves in a circle with a uniform speed its acceleration is constant but the velocity changes. Reason : Angular displacement is not a axial vector.

    A
    Both Assertion & Reason are true & the Reason is a correct explanation of the Assertion.
    B
    Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
    C
    Assertion is true but the Reason is false.
    D
    Assertion & Reason are false.

  • Assertion: A particle is rorating in a circle with constant speed as shown. Between point A and B , ratio of average acceleration and average velocity is angular velocity of particle about point O . lReason: Since speed is constant, angular velocity is also constant.

    A
    If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
    B
    If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
    C
    If Assertion is true, true but the Reason is false.
    D
    If Assertion is false but the Reason is true.
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