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⚛️ Physics  ·  Units and Measurements  ·  NEET & JEE

Which pair of quantities has the same dimensions?

Answer: work and energy.

  • A work and energy
  • B force and power
  • C mass and weight
  • D speed and acceleration

Correct answer: A. work and energy

Explanation: Work and energy both have the dimensions [ML²T⁻²].

The 7 SI Base UnitsLengthmetre (m)fundamentalMasskilogram (kg)Timesecond (s)Electric Currentampere (A)Temperaturekelvin (K)Amount ofSubstancemole (mol)LuminousIntensitycandela (cd)Every other physical quantity is derived by combining powers of these 7 base units

The 7 SI base units. All derived units (newton, joule, watt, volt, etc.) can be expressed as combinations of these 7 fundamental units raised to various powers.

Concept context

SI base units, dimensional analysis, significant figures, and error propagation. The toolkit every physics calculation relies on.

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