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1.Units, Dimensions and Measurement
easy
The dimensional formula for the modulus of rigidity is
A$M{L^2}{T^{ - 2}}$
B$M{L^{ - 1}}{T^{ - 3}}$
C$M{L^{ - 2}}{T^{ - 2}}$
D$M{L^{ - 1}}{T^{ - 2}}$
(IIT-1982)
Solution
(d) Modulus of rigidity = $\frac{{{\rm{Shear}}\;{\rm{stress}}}}{{{\rm{Shear}}\;{\rm{strain}}}} = $ $[M{L^{ – 1}}{T^{ – 2}}]$
Standard 11
Physics
