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  • An ideal diatomic gas is at pressure . Energy density (energy per

An ideal diatomic gas is at pressure 4 \times10^{5} N/m^{2}. Energy density (energy per unit volume) of the ideal diatomic gas is
 

Option: 1

5 \times10^{5} J/m^{3}


Option: 2

8 \times10^{5} J/m^{3}


Option: 3

10 \times10^{5} J/m^{3}

 


Option: 4

3 \times10^{5} J/m^{3}


Answers (1)

best_answer

Answer (3)

U=\frac{1}{2}nfRT

PV=nRT

\frac{U}{V}=\frac{1}{2}\left ( \frac{nRT}{V} \right )\times f

=\frac{1}{2}P\times f

=\frac{1}{2}\times 4 \times10^{5}\times 5

=10\times10^{5}\; J/m^{3}

Posted by

shivangi.bhatnagar

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