The unit of poission ratio is mcq


The unit of poission ratio is .......


A) N

B) m

C) N / m

D) unit less quanity 

Correct answer : option D ( solution discussed below)

  • The poission's ratio is a ratio of lateral strain upon linear strain.

modulus of elasticity (E)
         = Lateral strain 
             Linear strain 

  • Lateral strain is unitless quanity and linear strain also unitless quanity so poission ratio is unit less quanity
So the poission ratio is unit less quantity 

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