Published by:
CGP EDU Academic Team
Published on: September 12, 2026
Consider the efficiency of Carnot ’ s engine is given by 
where 
and 
are constants. If T is temperature, k is Boltzman constant, 
is angular displacement and x has the dimensions of length. Then, choose the incorrect option.
A
Dimensions of 
is same as that of force.
is same as that of force.
B
Dimensions of 
x is same as that of energy.
x is same as that of energy.
C
Dimensions of 
is same as that of 
is same as that of
D
Dimensions of 
is same as that of 
is same as that of
Text Solution
Verified by ExpertsThe correct answer is:
D
= Dimensionless
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