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Elasticity — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsElasticity1 Mark
Question
Assertion : strain is a unitless quantity.
Reason : Strain is equivalent to force.
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Answer

(c) Strain is the ratio of change in dimensions of the body to the original dimensions. Because this is a ratio, therefore it is dimensionless quantity.

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