1.

    The ionization energy of hydrogen is 13.6 eV. Express this energy in joules per mole using the following conversions: 1 eV = 1.602imes10−191.602 imes 10^{-19} J and Avogadro's number = 6.022imes10236.022 imes 10^{23} mol−1mol^{-1}.

    A

    1.31imes1031.31 imes 10^3 J/mol

    B

    2.18imes10−202.18 imes 10^{-20} J/mol

    C

    1.31imes1061.31 imes 10^6 J/mol

    D

    8.21imes1058.21 imes 10^5 J/mol

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Unit Conversion, Energy, Mole Concept

    Related Questions

    1.

    The physical quantity that has no dimensions is

    A

    Angular Velocity

    B

    Linear momentum

    C

    Angular momentum

    D

    Strain

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Dimensional analysis, Strain, Angular velocity, Linear momentum, Angular momentum

    2.

    The dimensional formula of angular velocity is

    A

    M0L0T−1{M^0}{L^0}{T^{ - 1}}

    B

    MLT−1ML{T^{ - 1}}

    C

    M0L0T1{M^0}{L^0}{T^1}

    D

    ML0T−2M{L^0}{T^{ - 2}}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Dimensional Analysis, Angular Velocity

    3.

    Which one of the following represents the correct dimensions of the coefficient of viscosity?

    A

    [ML−1T−2]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 2}}} \right]

    B

    [MLT−1]\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}} \right]

    C

    [ML−1T−1]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 1}}} \right]

    D

    [ML−2T−2]\left[ {{\rm{M}}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 2}}} \right]

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :viscosity, dimensional analysis, force, area, velocity gradient

    4.

    The dimension of 1ε0μ0\frac{1}{{\sqrt {{\varepsilon _0}{\mu _0}} }} is that of

    A

    Velocity

    B

    Time

    C

    Capacitance

    D

    Distance

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Electromagnetism, Permittivity, Permeability, Velocity of light, Dimensional Analysis

    5.

    The dimensional formula for areal velocity is

    A

    [M0L−2T]\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{\rm{T}}} \right]

    B

    [M0L−2T−1]\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 1}}} \right]

    C

    [M0L2T−1]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]

    D

    [M0L2T]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{\rm{T}}} \right]

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :dimensional analysis, areal velocity

    6.

    If force is proportional to square of velocity, then the dimensions of proportionality constant are

    A

    [ML−1T]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{\rm{T}}} \right]

    B

    [ML−1T0]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{{\rm{T}}^0}} \right]

    C

    [MLT0]\left[ {{\rm{ML}}{{\rm{T}}^0}} \right]

    D

    [M0LT−1]\left[ {{{\rm{M}}^0}{\rm{L}}{{\rm{T}}^{ - 1}}} \right]

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Dimensional Analysis, Force, Velocity

    7.

    Which of the two have same dimensions

    A

    Force and strain

    B

    Force and stress

    C

    Angular velocity and frequency

    D

    Energy and strain

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Dimensions, Physical quantities, Angular velocity, Frequency, Force, Strain, Stress, Energy

    8.

    The dimensional formula for areal velocity is

    A

    [M0L−2T]\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{\rm{T}}} \right]

    B

    [M0L−2T−1]\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 1}}} \right]

    C

    [M0L2T−1]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]

    D

    [M0L2T]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{\rm{T}}} \right]

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Dimensional analysis, Areal velocity

    9.

    Dimensions of the following three quantities are the same

    A

    Work, energy, force

    B

    Velocity, momentum, impulse

    C

    Potential energy, kinetic energy, momentum

    D

    Pressure, stress, coefficient of elasticity

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Dimensional Analysis, Work, Energy, Force, Velocity, Momentum, Impulse, Pressure, Stress, Coefficient of Elasticity

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