1.

    The unit of potential energy is

    A

    Joule

    B

    Watt

    C

    Newton

    D

    Pascal

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :potential energy, units, dimensional analysis

    Related Questions

    1.

    Length is measured in metre and time in second as usual. But a new unit of mass is so chosen that G=1. This new unit of mass is equal to

    A

    1.5imes107kg1.5 imes {10^7}kg

    B

    1.5imes1010kg1.5 imes {10^{10}}kg

    C

    6.67imes10−11kg6.67 imes {10^{ - 11}}kg

    D

    6.67imes10−8 kg6.67 imes {10^{ - 8}}\,kg

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Newton's Law of Universal Gravitation, Unit Conversion

    2.

    Which relation is wrong

    A

    λ = h/p

    B

    E = mc^2

    C

    E = 1/2mv

    D

    E = hv

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :unit conversion, energy units, length units, force units

    3.

    A sextant is used to measure

    A

    The angle between a celestial object and the horizon

    B

    The distance between two celestial objects

    C

    The speed of a vessel at sea

    D

    The depth of the ocean

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Sextant, Measurement, Height

    4.

    Consider a new system of units in which c(speed of light in vacuum), h(Planck’s constant) and G(gravitational constant) are taken as fundamental units. Which of the following would correctly represent mass in this new system?

    A

    hcG\sqrt {\frac{{hc}}{G}}

    B

    Gch\sqrt {\frac{{Gc}}{h}}

    C

    hGc\sqrt {\frac{{hG}}{c}}

    D

    hGc\sqrt {hGc}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Dimensional Analysis, Fundamental Units, Planck's Constant, Speed of Light, Gravitational Constant

    5.

    One femtometre is equivalent to

    A

    1015  m{10^{15}}{\rm{\;m}}

    B

    10−15  m{10^{ - 15}}{\rm{\;m}}

    C

    10−12  m{10^{ - 12}}{\rm{\;m}}

    D

    1012  m{10^{12}}{\rm{\;m}}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Unit prefixes, Metric system

    6.

    Which does not have the same unit as others

    A

    Watt-sec

    B

    Kilowatt-hour

    C

    eV

    D

    J-sec

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Energy, Power, Units, Conversion

    7.

    The unit of potential energy is

    A

    Joule

    B

    Watt

    C

    Newton

    D

    Pascal

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :potential energy, units, dimensional analysis

    8.

    The damping force of an oscillating particle is observed to be proportional to velocity. The constant of proportionality can be measured in

    A

    Kg s−1{s^{ - 1}}

    B

    Kg S

    C

    Kg ms−1{\rm{m}}{{\rm{s}}^{ - 1}}

    D

    Kg m−1s−1{{\rm{m}}^{ - 1}}{{\rm{s}}^{ - 1}}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Damping force, Units of measurement, Dimensional analysis

    9.

    Density of liquid in CGS system is 0.625    g  cm−3.0.625{\rm{\;\;g\;c}}{{\rm{m}}^{ - 3}}.. What is its magnitude in SI system?

    A

    0.625

    B

    0.0625

    C

    0.00625

    D

    625

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :unit conversion, density

    10.

    If the equation P=FAP = \frac{F}{A} is dimensionally homogeneous, where PP is pressure, FF is force, and AA is area, what are the dimensions of pressure?

    A

    ML−1T−2ML^{-1}T^{-2}

    B

    MLT−2MLT^{-2}

    C

    ML−2T−2ML^{-2}T^{-2}

    D

    ML2T−2ML^2T^{-2}

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Units And Measurement
    🎯Topic:Priniciple Of Homoginity
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Principle of Homogeneity, Dimensions, Pressure

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