1.

    The unit of expression μ0ε0{{\rm{\mu }}_0}{{\rm{\varepsilon }}_0} are

    A

    ms−1{\rm{m}}{{\rm{s}}^{ - 1}}

    B

    m2s−2{{\rm{m}}^2}{{\rm{s}}^{ - 2}}

    C

    s2m−2{{\rm{s}}^2}{{\rm{m}}^{ - 2}}

    D

    sm−1{\rm{s}}{{\rm{m}}^{ - 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 :Permeability of free space, Permittivity of free space, Speed of light, Dimensional analysis

    Related Questions

    1.

    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

    2.

    A solution has a concentration of 20 g/L. Express this concentration in mg/mL.

    A

    0.02 mg/mL

    B

    2 mg/mL

    C

    20 mg/mL

    D

    200 mg/mL

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Conversion Of Units For One System To Another
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :unit conversion, concentration

    3.

    The dimensions of power are

    A

    M1L2T−3{M^1}{L^2}{T^{ - 3}}

    B

    M2L1T−2{M^2}{L^1}{T^{ - 2}}

    C

    M1L2  T−1{M^1}{L^2}\;{T^{ - 1}}

    D

    M1L1T−2{M^1}{L^1}{T^{ - 2}}

    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 :Power, Dimensional Analysis

    4.

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

    A

    Momentum

    B

    Force

    C

    Pressure

    D

    Coefficient of viscosity

    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, Physical quantities

    5.

    [ML−2T−2]\left[ {{\rm{M}}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 2}}} \right] represents dimensional formula of which of the following physical quantities?

    A

    Energy

    B

    pressure

    C

    Torque

    D

    Pressure gradient

    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, Pressure, Pressure Gradient, Energy, Torque

    6.

    Which of the following pairs has same dimensions?

    A

    Current density and charge density

    B

    Angular momentum and momentum

    C

    Spring constant and surface energy

    D

    Force 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, Current Density, Charge Density, Angular Momentum, Momentum, Spring Constant, Surface Energy, Force, Torque

    7.

    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

    8.

    How many cubic centimeters (cm3cm^3) are there in 1 liter?

    A

    10 cm3cm^3

    B

    100 cm3cm^3

    C

    1000 cm3cm^3

    D

    10000 cm3cm^3

    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 :Unit Conversion, Volume

    9.

    Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful

    A

    A/B

    B

    A+B

    C

    A-B

    D

    None

    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, Physical Meaningfulness

    10.

    Dimensional formula for torque is

    A

    L2MT−2{L^2}M{T^{ - 2}}

    B

    L−1MT−2{L^{ - 1}}M{T^{ - 2}}

    C

    L2MT−3{L^2}M{T^{ - 3}}

    D

    LMT−2LM{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 :torque, dimensional analysis, force, distance

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