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

    Related Questions

    1.

    Dimensional formula of Stefan’s constant is

    A

    MT−3K−4M{T^{ - 3}}{K^{ - 4}}

    B

    ML2T−2K−4M{L^2}{T^{ - 2}}{K^{ - 4}}

    C

    ML2T−2M{L^2}{T^{ - 2}}

    D

    MT−2L0M{T^{ - 2}}{L^0}

    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 :Stefan-Boltzmann Law, Dimensional Analysis

    2.

    Dimension of R is

    A

    ML2T−1M{L^2}{T^{ - 1}}

    B

    ML2T−3A−2M{L^2}{T^{ - 3}}{A^{ - 2}}

    C

    ML−1T−2M{L^{ - 1}}{T^{ - 2}}

    D

    None of these

    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, Resistance, Electrical Units

    3.

    A chemist measures a reaction rate as 2.5imes10−32.5 imes 10^{-3} mol L−1^{-1} s−1s^{-1}. Express this rate in molecules cm−3cm^{-3} μs−1\mu s^{-1} (molecules per cubic centimeter per microsecond). Avogadro's number = 6.022imes10236.022 imes 10^{23} molecules/mol.

    A

    1.5imes10121.5 imes 10^{12} molecules cm−3cm^{-3} μs−1\mu s^{-1}

    B

    2.5imes10182.5 imes 10^{18} molecules cm−3cm^{-3} μs−1\mu s^{-1}

    C

    1.5imes10151.5 imes 10^{15} molecules cm−3cm^{-3} μs−1\mu s^{-1}

    D

    4.2imes10204.2 imes 10^{20} molecules cm−3cm^{-3} μs−1\mu s^{-1}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Unit Conversion, Reaction Rate, Avogadro's Number

    4.

    The number of particles given by n=−Dn2−n1x2−x1n = - D\frac{{{n_2} - {n_1}}}{{{x_2} - {x_1}}} are crossing a unit area perpendicular to x-axis in unit time, where n1{n_1} and n2{n_2} are the number of particles per unit volume for the values x1{x_1} and x2{x_2} of x respectively. Then the dimensional formula of diffusion constant D is

    A

    [M0LT0]\left[ {{{\rm{M}}^0}{\rm{L}}{{\rm{T}}^0}} \right]

    B

    [M0L2T−4]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 4}}} \right]

    C

    [M0LT−3]\left[ {{{\rm{M}}^0}{\rm{L}}{{\rm{T}}^{ - 3}}} \right]

    D

    [M0L2T−1]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\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, Diffusion

    5.

    The dimensions of coefficient of self inductance are

    A

    [ML2T−2A−2]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 2}}} \right]

    B

    [ML2T−2A−1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 1}}} \right]

    C

    [MLT−2A−2]  \left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 2}}} \right]{\rm{\;}}

    D

    [MLT−2A−1]  \left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 1}}} \right]{\rm{\;}}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :self inductance, dimensional analysis, energy of inductor

    6.

    The dimensions of magnetic field in M, L, T and C (coulomb) is given as

    A

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

    B

    [MT2C−2]\left[ {{\rm{M}}{{\rm{T}}^2}{{\rm{C}}^{ - 2}}} \right]

    C

    [MT−1C−1]\left[ {{\rm{M}}{{\rm{T}}^{ - 1}}{{\rm{C}}^{ - 1}}} \right]

    D

    [MT−2C−1]\left[ {{\rm{M}}{{\rm{T}}^{ - 2}}{{\rm{C}}^{ - 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 :magnetic field, dimensional analysis, force on a moving charge

    7.

    Which of the following sets have different dimensions?

    A

    Pressure, Young’s modulus, Stress

    B

    Emf, Potential difference, Electric potential

    C

    Heat, Work done, Energy

    D

    Dipole moment, Electric flux, Electric field

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Dimensional analysis, Pressure, Young's modulus, Stress, Emf, Potential difference, Electric potential, Heat, Work done, Energy, Dipole moment, Electric flux, Electric field

    8.

    Dimensions of kinetic energy are

    A

    ML2T−2M{L^2}{T^{ - 2}}

    B

    M2LT−1{M^2}L{T^{ - 1}}

    C

    ML2T−1M{L^2}{T^{ - 1}}

    D

    ML3T−1M{L^3}{T^{ - 1}}

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

    9.

    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

    10.

    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

    company logo

    NEET Subjects

    Our Bots

    Company