TS EAMCET · Physics · Thermodynamics
Consider a reversible engine of efficiency \(\frac{1}{6}\). When the temperature of the sink is reduced by \(62^{\circ} \mathrm{C}\), its efficiency gets doubled. The temperature of the source and sink respectively are
- A \(372 \mathrm{~K}\) and \(310 \mathrm{~K}\)
- B \(273 \mathrm{~K}\) and \(300 \mathrm{~K}\)
- C \(99^{\circ} \mathrm{C}\) and \(10^{\circ} \mathrm{C}\)
- D \(200^{\circ} \mathrm{C}\) and \(37^{\circ} \mathrm{C}\)
Answer & Solution
Correct Answer
(A) \(372 \mathrm{~K}\) and \(310 \mathrm{~K}\)
Step-by-step Solution
Detailed explanation
Given \[ \eta_1=\frac{1}{6} \] According to the question,…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- In the given part of a circuit, the potential at point \(B\) is zero. Then the potentials at \(\mathrm{A}\) and \(\mathrm{C}\) respectively are
TS EAMCET 2023 Easy - Two point charges \(-10 \mu \mathrm{C}\) and \(+5 \mu \mathrm{C}\) are situated on \(X\)-axis at \(x=0\) and \(x=\sqrt{2} \mathrm{~m}\). The point along the \(X\)-axis where the electric field becomes zero isTS EAMCET 2024 Easy
- A capacitor is fully charged with a battery and then disconnected. A dielectric is then inserted into the capacitor. How do charges on surface of the dielectric and outer surface of the plates of the capacitor would change respectively?TS EAMCET 2020 Medium
- A 20 ton truck is travelling along a curved path of radius 240 m . If the center of gravity of the truck above the ground is 2 m and the distance between its wheels is 1.5 m , the maximum speed of the truck with which it can travel without toppling over is (Acceleration due to gravity \(=10 \mathrm{~ms}^{-2}\) )TS EAMCET 2024 Hard
- The displacement of a particle executing SHM is given by \(y=5 \sin \left(4 t+\frac{\pi}{3}\right) .\) If \(T\) is the time period and the mass of the particle is \(2 \mathrm{~g}\), the kinetic energy of the particle when \(t=\frac{T}{4}\) is given byTS EAMCET 2009 Medium
- The loss of strength of a signal while propagating through a medium is known asTS EAMCET 2023 Easy
More PYQs from TS EAMCET
- A particle is executing simple harmonic motion. If the force acting on the particle at a position is \(86.6 \%\) of the maximum force on it, then the ratio of its velocity at that point and its maximum velocity isTS EAMCET 2025 Medium
- If the temperature of the semi-conductor is increased, which of the following is correct statement?TS EAMCET 2021 Medium
- The magnetic induction at point \(O\) of the given infinitely long current carrying wire shown in the figure below is
TS EAMCET 2018 Medium - A sound wave passing through an ideal gas at NTP produces a pressure change of 0.001 dyne \(/ \mathrm{cm}^2\) during adiabatic compression. The corresponding change in temperature \((\gamma=1.5\) for the gas and atmospheric pressure is \(1.013 \times 10^6\) dyne \(/ \mathrm{cm}^2\) ) isTS EAMCET 2012 Hard
- Two sound waves each of intensity I are superimposed. If the phase difference between the waves is \(\frac{\pi}{2}\), then the intensity of the resultant wave isTS EAMCET 2025 Medium
- A solid cylinder of mass and radius rolls down an inclined plane of height without slipping. The speed of its centre of mass when the cylinder reaches the bottom is [use ]TS EAMCET 2022 Medium