The dimensional formula for Young’s modulus is

Options

(a) [ML⁻¹T⁻²]
(b) [M⁰LT⁻²]
(c) [MLT⁻²]
(d) [ML²T⁻²]

Correct Answer:

[ML⁻¹T⁻²]

Explanation:

Young’s modulus Y=Stress/Strain=(Force/Area)/(elongation/Iength)

Y=[MLT⁻²][L]/[L²][L] = [ML⁻¹T⁻²]