The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

Questions › Category: Thermodynamics › The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)
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The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

(A) v1/v2

(B) v2/v1              (Ans)

(C) (v1 + v2)/v1

(D) (v1 + v2)/v2