The dimensional formula for Young’s modulus is

The Dimensional Formula For Youngs Modulus Is Physics QuestionThe Dimensional Formula For Youngs Modulus Is Physics Question

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]

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