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Units and Measu...

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  • Question 1
    1 / -0

    The pair of physical quantities that have same dimensions are:
    a) Reynold's number and coefficient of friction
    b) Latent heat and gravitational potential
    c) Curie and frequency of light wave
    d) Planck constant and torque

  • Question 2
    1 / -0

    Which of the following pairs have same dimensions.
    a) Torque and work
    b) Angular momentum and work
    c) Energy and Youngs modulus
    d) Light year and wavelength

  • Question 3
    1 / -0

    Names of units of some physical quantities are given in List - I and their dimensional formulae are given in List - II. Match the correct pair of the lists.

    List - IList - II
    a) Pa-se) $$\left[ { L }^{ 2 }{ T }^{ -2 }{ K }^{ -1 } \right] $$
    b) $${ NmK }^{ -1 }$$f) $${ MLT }^{ -3 }{ K }^{ -1 }$$
    c) $${ J kg }^{ -1 }{ k }^{ -1 }$$g) $${ ML }^{ -1 }{ T }^{ -1 }$$
    d) $${ Wm }^{ -1 }{ k }^{ -1 }$$h) $$\left[ { ML }^{ 2 }{ T }^{ -2 }{ K }^{ -1 } \right] $$

  • Question 4
    1 / -0

    Watt per meter kelvin is the unit of

  • Question 5
    1 / -0

    Match List I with List II and select the correct answer.

    List - IList - II
    A) Spring constantI) [$${ M }^{ 1 }{ L }^{ 2 }{ T }^{ -2 }$$]
    B) PascalII) [$${ M }^{ 0 }{ L }^{ 0 }{ T }^{ -1 }$$]
    C) HertzIII)[ $${ M }^{ 1 }{ L }^{ 0 }{ T }^{ -2 }$$]
    D) JouleIV) [$${ M }^{ 1 }{ L }^{ -1 }{ T }^{ -2 }$$]

  • Question 6
    1 / -0

    Study the following.

    List - IList - II
    a) Same negative dimensions of massI) Pressure, Rydberg constant
    b) Same negative dimensions of lengthII) Mangnetic induction field, Potential
    c) Same dimensionsIII) Capacity, Universal gravitational constant
    d) Same dimension of currentIV) Energy density, Surface tension

  • Question 7
    1 / -0

    Match the physical quantities given in Column I with suitable dimensions expressed in Column II.

    Column IColumn II
    a) Angular momentumg) $${ ML }^{ 2 }{ T }^{ -2 }$$
    b) Latent heath)  $${ ML }^{ 2 }{ Q }^{ -2 }$$
    c) Torquei)  $${ ML }^{ 2 }{ T }^{ -1 }$$
    d) Capacitanej)  $${ ML }^{ 3 }{ T }^{ -1 }{ Q }^{ -2 }$$
    e) Inductancek)  $${ M }^{ -1 }{ L }^{ -2 }{ T }^{ 2 }{ Q }^{ 2 }$$
    f) Resistivityl)  $${ L }^{ 2 }{ T }^{ -2 }$$

  • Question 8
    1 / -0

    The correct order in which the dimensions of length increases in the following physical quantities is:
    a) permittivity
    b) resistance
    c) magnetic permeability
    d) stress

  • Question 9
    1 / -0

    The dimensional formula for pressure gradient is :

  • Question 10
    1 / -0

    L, C and R represents inductance, capacitance and resistance respectively. The combinations that have the dimensions of frequency are :

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