Even carnot heat engine cannot give $100 %$ efficiency. Explain why
OR
can you design a heat engine of $100 %$ efficiency? Explain ypur answer.
OR
A heat engine with $100 %$ efficiency is only a theoretical possibility. Explain.

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The correct Answer is:The efficiency of a heat engine,
$η = 1 - \frac{T_{2}}{T_{1}}$
The efficiency will be $100 % or 1, if T_{2} = 0 K$
Since temperature equal to $0 K$ cannot be reached, a heat engine cannot have $100 %$ efficiency.

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Updated on:21/07/2023

Class 11 PHYSICS THERMODYNAMICS

Even carnot heat engine cannot give $100 %$ efficiency. Explain why
OR
can you design a heat engine of $100 %$ efficiency? Explain ypur answer.
OR
A heat engine with $100 %$ efficiency is only a theoretical possibility. Explain.

The correct Answer is:The efficiency of a heat engine,
$η = 1 - \frac{T_{2}}{T_{1}}$
The efficiency will be $100 % or 1, if T_{2} = 0 K$
Since temperature equal to $0 K$ cannot be reached, a heat engine cannot have $100 %$ efficiency.

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Even carnot heat engine cannot give 100 % efficiency. Explain why OR can you design a heat engine of 100 % efficiency? Explain ypur answer. OR A heat engine with 100 % efficiency is only a theoretical possibility. Explain.

The correct Answer is:The efficiency of a heat engine, η = 1 - T 2 T 1 The efficiency will be 100 % or 1 , if T 2 = 0 K Since temperature equal to 0 K cannot be reached, a heat engine cannot have 100 % efficiency.

Related Playlists

Similar Questions

RESONANCE-KTG & THERMODYNAMICS-SECTION

Even carnot heat engine cannot give $100 %$ efficiency. Explain why
OR
can you design a heat engine of $100 %$ efficiency? Explain ypur answer.
OR
A heat engine with $100 %$ efficiency is only a theoretical possibility. Explain.

The correct Answer is:The efficiency of a heat engine,
$η = 1 - \frac{T_{2}}{T_{1}}$
The efficiency will be $100 % or 1, if T_{2} = 0 K$
Since temperature equal to $0 K$ cannot be reached, a heat engine cannot have $100 %$ efficiency.