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Olympiad workbookNSEPUnits and Dimensions

A quantity is defined as =e^2 / 4 ₀ c , where e is electric charge, =h / 2 is the reduced Planck's constant and c is the speed of light. The dimensions of are

Options

  1. A[ M ^0 ~L ^0 ~T ^0 I ^0 ]
  2. B[ M ^1 ~L ⁻¹ ~T ^2 I ⁻² ]
  3. C[ M ^2 ~L ^1 ~T ⁻¹ I ^0 ]
  4. D[ M ^0 ~L ^3 ~T ^1 I ⁻² ]

Correct answer

A. [ M ^0 ~L ^0 ~T ^0 I ^0 ]

Step-by-step solution

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