Question

The minus sign in the change expression for change in thickness ∆H = -mᵥ H₀ ∆σ’ denotes ______

a.

thickness decreases with increase in pressure

b.

thickness decreases with decrease in pressure

c.

thickness increases with increase in pressure

d.

thickness does not changewith increase in pressure

Answer: (a).thickness decreases with increase in pressure

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Q. The minus sign in the change expression for change in thickness ∆H = -mᵥ H₀ ∆σ’ denotes ______

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