Q138 / 150 · MHT CET 2019 (Shift 1) · Physics

Which of the following is the dimensional formula for electric polarisation?

  • Correct answer
    A
    M0L-2T1I1
  • B
    M-1L-2T1I-1
  • C
    M0L-1T1I1
  • D
    M1L-2T1I1

Solution

Electric polarisation (P) is given by
P=ε0χE
where, E is electrical field and χ is electric susceptibility and it is dimensionless quantity, Dimension formula of P = Dimension formula of ε0× Dimension formula of E
=M-1L-3T4I2=M0L-2T1

Hence, the correct answer is option: 'A'.

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