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What units does Poisson ratio carry?
AIt has pascal units
BIt has newton units
CIt has no units
DIt has joule units
Answer & Solution
Correct answer: C. It has no units
1. Poisson ratio divides the lateral strain by the longitudinal strain.
2. Each strain is itself a pure ratio with no units.
3. So Poisson ratio is a pure number with no dimensions or units.
_Source: NCERT Class 11 Physics, Ch 9 'Mechanical Properties of Solids'_
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