The SI unit of a physical quantity is Pascal ‐ sec . The dimensional formula of this quantity will be

The SI unit of a physical quantity is Pascal‐sec. The dimensional formula of this quantity will be 
  1. ML2T-1
  2. M-1L3T0
  3. ML-1T-1
  4. ML-1T-2

Solution

Unit of Pascal is N m-2.

So, dimension of Pascal‐sec is 

 N m-2s=MLT-2L2×T=ML-1T-1 

Asked in: JEE Main 2022 (27 Jun Shift 2)

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