Answer Posted / vinay
It is the ratio b/w change in to its original dimension, not
only length but also Area and volume.it is dimensionless.
it is indicated by latter 'e'
Strain = change in length/original length.
e = δL/L
Strain = change in area/original area.
e = δA/A
Strain = change in volume/original volume.
e = δV/V
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