SATHEE: Thermodynamics Question 177

Thermodynamics Question 177

Question: Work done by air when it expands from 50 litres to 150 litres at a constant pressure of 2 atmosphere is

Options:

A) $2 \times 10^{4}$ joules

B) $2 \times 100$ joules

C) $2 \times 10^{5} \times 100$ joules

D) $2 \times 10^{- 5} \times 100$ joules

Show Answer

Answer:

Correct Answer: A

Solution:

$W = P \times Δ V = 2 \times 10^{5} (150 - 50) \times 10^{- 3} = 2 \times 10^{4} J$

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Thermodynamics Question 177

Question: Work done by air when it expands from 50 litres to 150 litres at a constant pressure of 2 atmosphere is

Options:

Answer:

Solution:

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