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  3. 8th Class
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  5. Force and Pressure

8th Class Science Force and Pressure Question Bank Force and Pressure HOTS Subjective Problems

  • question_answer
    If \[20c{{m}^{3}}\]gas at 1 atm is expanded to \[50c{{m}^{3}}\] at constant T, what is the final pressure?

    Answer:

    \[{{P}_{1}}{{V}_{1}}={{P}_{2}}{{V}_{2}},1\times 20={{P}_{2}}\times 50,\] \[{{P}_{2}}=20\times \frac{1}{50}atm.\]


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