unit and conversion of units questions with solutions

Showing 1–10 of 61 questions

• MCQmediumUnit dimension and errorunit and conversion of units

  1 bar is equal to:

  Options

  • Option A

    10³ Pa

  • Option B

    10⁴ Pa

  • Option C

    10⁵ Pa

  • Option D

    10⁶ Pa

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• MatchmediumUnit dimension and errorunit and conversion of units

  Match List I with List II and choose the correct option.

  List 1

  1. Pressure

  2. Electrostatic energy

  3. Permeability

  4. Impulse

  List 2

  1. J

  2. Pa

  3. kg m s⁻¹

  4. H m⁻¹

  Options

  • Option A

    P-2, Q-1, R-4, S-3

  • Option B

    P-1, Q-2, R-3, S-4

  • Option C

    P-2, Q-4, R-1, S-3

  • Option D

    P-3, Q-1, R-4, S-2

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• MCQeasyUnit dimension and errorunit and conversion of units

  An energy of 3.2×10⁻¹⁸ J is equal to:

  Options

  • Option A

    2 eV

  • Option B

    20 eV

  • Option C

    200 eV

  • Option D

    0.2 eV

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• MCQeasyUnit dimension and errorunit and conversion of units

  The SI unit of electrical conductance is:

  Options

  • Option A

    Ohm

  • Option B

    Siemens

  • Option C

    Farad

  • Option D

    Tesla

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• MatchmediumUnit dimension and errorunit and conversion of units

  Match List I with List II and choose the correct option.

  List 1

  1. EMF

  2. Impulse

  3. Inductance

  4. Thermal conductivity

  List 2

  1. N s

  2. V

  3. W m⁻¹ K⁻¹

  4. H

  Options

  • Option A

    P-2, Q-1, R-4, S-3

  • Option B

    P-1, Q-2, R-3, S-4

  • Option C

    P-2, Q-4, R-1, S-3

  • Option D

    P-3, Q-1, R-4, S-2

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• MCQeasyUnit dimension and errorunit and conversion of units

  760 mm Hg is approximately equal to:

  Options

  • Option A

    1 Pa

  • Option B

    1 atm

  • Option C

    10 atm

  • Option D

    0.1 atm

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• MatchmediumUnit dimension and errorunit and conversion of units

  Match List I with List II and choose the correct option.

  List 1

  1. Magnetic flux

  2. Specific heat capacity

  3. Resistance

  4. Torque

  List 2

  1. J kg⁻¹ K⁻¹

  2. Wb

  3. N m

  4. Ω

  Options

  • Option A

    P-2, Q-1, R-4, S-3

  • Option B

    P-1, Q-2, R-3, S-4

  • Option C

    P-2, Q-4, R-1, S-3

  • Option D

    P-3, Q-1, R-4, S-2

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• MCQmediumUnit dimension and errorunit and conversion of units

  If the unit of mass is α times, length β times and time γ times the old units, the new numerical value n′ of Q having dimensions [MᵃLᵇTᶜ] is:

  Options

  • Option A

    nαᵃβᵇγᶜ

  • Option B

    nα⁻ᵃβ⁻ᵇγ⁻ᶜ

  • Option C

    n/(α+β+γ)

  • Option D

    nαᵃ⁺ᵇ⁺ᶜ

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• MCQeasyUnit dimension and errorunit and conversion of units

  If length unit becomes 1/2 of old and time unit becomes 2 times old, the numerical value of a given acceleration becomes:

  Options

  • Option A

    8 times old

  • Option B

    1/8 of old

  • Option C

    2 times old

  • Option D

    4 times old

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• MCQeasyUnit dimension and errorunit and conversion of units

  1 atmosphere is approximately:

  Options

  • Option A

    1.013×10⁵ Pa

  • Option B

    1.013×10³ Pa

  • Option C

    760 Pa

  • Option D

    10⁷ Pa

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