1.

    The dimensions of emf in MKS is

    A

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

    B

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

    C

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

    D

    [ML2T−2Q−1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 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 :3 mins
    🔄Ncert Concepts :Electromotive force (EMF), Dimensional analysis

    Related Questions

    1.

    Dimensional formula of capacitance (or farad) is

    A

    M−1L−2T4A2{M^{ - 1}}{L^{ - 2}}{T^4}{A^2}

    B

    ML2T4A−2M{L^2}{T^4}{A^{ - 2}}

    C

    MLT−4A2ML{T^{ - 4}}{A^2}

    D

    M−1L−2T−4A−2{M^{ - 1}}{L^{ - 2}}{T^{ - 4}}{A^{ - 2}}

    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 :Capacitance, Dimensional Analysis, Charge, Current, Voltage

    2.

    The unit of L/R is (where L=inductance and R= Resistance)

    A

    Sec

    B

    Sec−1Se{c^{ - 1}}

    C

    Volt

    D

    Ampere

    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 :Inductance, Resistance, Time Constant, Units Analysis

    3.

    The dimensions of emf in MKS is

    A

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

    B

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

    C

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

    D

    [ML2T−2Q−1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 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 :3 mins
    🔄Ncert Concepts :Electromotive force (EMF), Dimensional analysis

    4.

    Which of the following quantities is dimensionless

    A

    Velocity

    B

    Acceleration

    C

    Force

    D

    Strain

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

    5.

    Out of the following pairs, which one does not have identical dimensions?

    A

    Angular momentum and Planck’s constant

    B

    Impulse and momentum

    C

    Moment of inertia and moment of a force

    D

    Work and torque

    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, Angular momentum, Planck's constant, Impulse, Momentum, Moment of inertia, Moment of force, Work, Torque

    6.

    The dimensions of Planck’s constant are

    A

    [M2L2T−2]\left[ {{{\rm{M}}^2}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]

    B

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

    C

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

    D

    [ML2T−1]\left[ {{\rm{M}}{{\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 :Planck's constant, Dimensional analysis, Energy, Frequency

    7.

    Unit of impulse is

    A

    Newton

    B

    kg-m

    C

    kg-m/s

    D

    Joule

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

    8.

    A dimensionally consistent relation for the volume V of a liquid of coefficient of viscosity η\eta flowing per second through a tube of radius r and length l and having pressure p across its end, is

    A

    V=πpr48ηlV = \frac{{\pi p{r^4}}}{{8\eta l}}

    B

    V=πηl8pr4V = \frac{{\pi \eta l}}{{8p{r^4}}}

    C

    V=8pηlπr4V = \frac{{8p\eta l}}{{\pi {r^4}}}

    D

    V=πpη8lr4V = \frac{{\pi p\eta }}{{8l{r^4}}}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Dimensional analysis, Poiseuille's Law, Fluid dynamics

    9.

    The dimensions of surface tension are

    A

    ML−1T−2M{L^{ - 1}}{T^{ - 2}}

    B

    MLT−2ML{T^{ - 2}}

    C

    ML−1T−1M{L^{ - 1}}{T^{ - 1}}

    D

    MT−2M{T^{ - 2}}

    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 :surface tension, dimensional analysis

    10.

    R,L and C represent the physical quantities resistance, inductance and capacitance respectively. Which one of the following combination has dimension of frequency?

    A

    1/√(LC)

    B

    R/L

    C

    1/RC

    D

    1/√(LC), R/L and 1/RC

    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, Frequency, Resistance, Inductance, Capacitance

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