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If for hydrogen Cp-Cv = m and for nitrog...

If for hydrogen `C_p-C_v = m` and for nitrogen `C_p -C_v= n` , where `C_p` and `C_v` refer to specific heats per unit mass respectively at constant pressure and constant volume, the relation between m and n is : (Molecular weight of hydrogen = 2 molecular weight or nitrogen = 14 )

A

n = 14m

B

n = 7m

C

m=7n

D

m=14n

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The correct Answer is:
C
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