Physics-Heat Engines
NEET Physics Heat Engines MCQ Question
Type: MCQ-fact-Easy-Class 11
What is the mathematical statement of the first law of thermodynamics?
A
∆U = q + w
B
q = ∆U - w
C
w = ∆U + q
D
q + w = 0
Correct Answer
Option A
Detailed Explanation
The first law of thermodynamics is mathematically expressed as ∆U = q + w, indicating that the change in internal energy is equal to the heat added to the system plus the work done on the system.
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