RE-NEET2026Physics-Thermodynamics
RE-NEET 2026 Physics Adiabatic Processes MCQ Question
Type: MCQ-numerical-Medium-Class 11
In an adiabatic expansion, the temperature of one mole of an ideal monatomic gas (γ=5/3) decreases from 60K to 50K. The work done by the gas in the process is : (Take the universal gas constant as R=8.3 J mol⁻¹ K⁻¹)
A
83 J
B
124.5 J
C
166 J
D
41.5 J
Correct Answer
Option A
Detailed Explanation
Using the adiabatic process equation and the given temperatures, the work done can be calculated using the formula W = (nR/(γ-1))(T₁ - T₂).
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