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A Carnot engine operating between two reservoirs has efficiency \(\frac{1}{3}\). When the temperature of cold reservoir …

Q1

A Carnot engine operating between two reservoirs has efficiency \(\frac{1}{3}\). When the temperature of cold reservoir is raised by \(x\), its efficiency decreases to \(\frac{1}{6}\). The value of \(x\), if the temperature of hot reservoir is \(99^{\circ} C\), will be:

[JEE Main 2023, 1 Feb (Shift 2)]

a

\(16.5 K\)

b

\(33 K\)

c

\(66 K\)

d

\(62 K\)

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