1.

    Which of the following quantities has the same dimensions as that of energy

    A

    Power

    B

    Force

    C

    Momentum

    D

    Work

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Dimensions, Energy, Work, Power, Force, Momentum

    Related Questions

    1.

    The SI unit of gravitational potential is

    A

    J

    B

    Jkg−1{\rm{Jk}}{{\rm{g}}^{ - 1}}

    C

    Jkg{\rm{Jkg}}

    D

    Jkg2{\rm{Jk}}{{\rm{g}}^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 :gravitational potential, SI units

    2.

    Dimensions of CR are those of

    A

    Frequency

    B

    Energy

    C

    Time period

    D

    Current

    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 :RC circuits, Time constant, Dimensional analysis

    3.

    Which of the following pairs does not have similar dimensions

    A

    Stress and pressure

    B

    Angle and strain

    C

    Tension and surface tension

    D

    Planck’s constant and angular momentum

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Easy
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Dimensional Analysis, Stress, Pressure, Angle, Strain, Tension, Surface Tension, Planck's Constant, Angular Momentum

    4.

    Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and current I, would be

    A

    [ML2T−3I−1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 3}}{{\rm{I}}^{ - 1}}} \right]

    B

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

    C

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

    D

    [ML2T−3I−2]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 3}}{{\rm{I}}^{ - 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 :3 mins
    🔄Ncert Concepts :Ohm's Law, Dimensional Analysis, Power, Work/Energy

    5.

    The dimensions of Planck’s constant is same as that of

    A

    Angular momentum

    B

    Linear momentum

    C

    Work

    D

    Coefficient of viscosity

    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 :Planck's constant, dimensions, angular momentum, linear momentum, work, coefficient of viscosity

    6.

    The dimensions of stress are equal to

    A

    Force

    B

    Pressure

    C

    Work

    D

    1Pressure\frac{1}{{{\rm{Pressure}}}}

    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 :stress, pressure, dimensions

    7.

    The unit of Stefan’s constant σ\sigma is

    A

    W  m−2  K−1W\;{m^{ - 2}}\;{K^{ - 1}}

    B

    W    m2  K−4W\;\;{m^2}\;{K^{ - 4}}

    C

    W  m−2  K−4W\;{m^{ - 2}}\;{K^{ - 4}}

    D

    W  m−2  K4W\;{m^{ - 2}}\;{K^4}

    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 :Stefan-Boltzmann Law, Units of Measurement

    8.

    The speed of light is approximately 3imes1083 imes 10^8 m/s. If a star is 4 light-years away, what is its distance in kilometers? (1 light-year = distance light travels in one year)

    A

    3.8imes10103.8 imes 10^{10} km

    B

    1.2imes10131.2 imes 10^{13} km

    C

    3.8imes10133.8 imes 10^{13} km

    D

    1.2imes1091.2 imes 10^9 km

    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, Speed, Distance, Time

    9.

    Linear momentum and angular momentum have the same dimensions in

    A

    A natural unit system where certain fundamental constants are set to 1

    B

    SI units

    C

    CGS units

    D

    MKS units

    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 :Linear Momentum, Angular Momentum, Dimensional Analysis

    10.

    If unit of length, mass and time each be doubled, the unit of work done is increased by

    A

    4 times

    B

    6 times

    C

    8 times

    D

    2 times

    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 :Work, Units, Dimensional Analysis

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