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The dimensional formula for bulk modulus of rigidity is :

The dimensional formula for bulk modulus of rigidity is : Correct Answer ML<span style="position: relative; line-height: 0; vertical-align: baseline; top: -0.5em; font-size:10.5px;">-1</span>T<span style="position: relative; line-height: 0; vertical-align: baseline; top: -0.5em;font-size:10.5px;">-2</span>

CONCEPT:

  • Bulk modulus: The ratio of hydrostatic stress to the volumetric strain within the elastic range is called bulk modulus.
  • It is denoted by K or B.

  • The dimension of pressure is 

⇒ P =

Therefore, the dimension of the bulk modulus is 

⇒ K =

  • Hence, option 4 is the answer.

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