The dimensional formula for the modulus of rigidity is - Vidyadip

MCQ

The dimensional formula for the modulus of rigidity is

A
$M{L^2}{T^{ - 2}}$
B
$M{L^{ - 1}}{T^{ - 3}}$
C
$M{L^{ - 2}}{T^{ - 2}}$
✓
$M{L^{ - 1}}{T^{ - 2}}$

✓

Answer

Correct option: D.

$M{L^{ - 1}}{T^{ - 2}}$

d
(d) Modulus of rigidity = $\frac{{{\rm{Shear}}\;{\rm{stress}}}}{{{\rm{Shear}}\;{\rm{strain}}}} = $ $[M{L^{ - 1}}{T^{ - 2}}]$

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