Question:
Identify the process that proceeds with no heat exchange between system and surrounding.
Identify the process that proceeds with no heat exchange between system and surrounding.
Show Hint
Zero heat exchange means q equals zero.
Updated On: Oct 1, 2026
- Isothermal
- Isobaric
- Isochoric
- Adiabatic
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The Correct Option is D
Solution and Explanation
Step 1: Define each process
Isothermal means constant temperature, isobaric means constant pressure and isochoric means constant volume. Adiabatic means no heat enters or leaves the system.
Step 2: Match
In an adiabatic process \(q = 0\), so any change in internal energy equals the work done, \(\Delta U = w\).
In isothermal, isobaric and isochoric processes heat is usually exchanged to hold temperature, pressure or volume constant, so these are not the answer.
Final Answer:
The process with no heat exchange is adiabatic. \[ \boxed{\text{(D)}\ \text{Adiabatic}} \]
Isothermal means constant temperature, isobaric means constant pressure and isochoric means constant volume. Adiabatic means no heat enters or leaves the system.
Step 2: Match
In an adiabatic process \(q = 0\), so any change in internal energy equals the work done, \(\Delta U = w\).
In isothermal, isobaric and isochoric processes heat is usually exchanged to hold temperature, pressure or volume constant, so these are not the answer.
Final Answer:
The process with no heat exchange is adiabatic. \[ \boxed{\text{(D)}\ \text{Adiabatic}} \]
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