AP EAMCET · PHYSICS · Thermodynamics
The fundamental limitation to the coefficient of performance of a refrigerator is given by
- A first law of thermodynamics
- B Newton's law of cooling
- C zeroth law of thermodynamics
- D second law of thermodynamics
Answer & Solution
Correct Answer
(D) second law of thermodynamics
Step-by-step Solution
Detailed explanation
NO SOLUTION
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
- A long curved conductor carries a current I (I is a vector). A small current element of length \(\mathbf{d} l\), on the wire induces a magnetic field at a point, away from the current element. If the position vector between the current element and the point is \(\mathbf{r}\), making an angle with current element then, the induced magnetic field density; \(\mathbf{d B}\) (vector) at the point is ( \(\mu_0=\) permeability of free space)AP EAMCET 2012 Easy
- The electrostatic potential energy of the electron in an orbit of hydrogen is -6.8 eV . The speed of the electron in this orbit is ( C is speed of light in vacuum)AP EAMCET 2024 Medium
- A stone is dropped from the top of a tall building and after 2 seconds another stone is thrown vertically downwards with a velocity \(5 \mathrm{~ms}^{-1}\) from the same point. Then the distance from the top of the building at which second stone overtakes the first is ____ \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\)AP EAMCET 2017 Medium
- An alternating current is given by \(\mathrm{i}=(3 \sin \omega t+4 \cos \omega t)\)
A. The \(r m s\) current will beAP EAMCET 2024 Easy - A body of mass \(M\) is dropped from a height \(h\) on a sand floor. If the body penetrates \(x \mathrm{~cm}\) into the sand, then the average resistance offered by the sand to the body isAP EAMCET 2021 Medium
- A mass of \(2.9 \mathrm{~kg}\) is suspended from a string of length \(50 \mathrm{~cm}\) and is at rest. Another body of mass \(100 \mathrm{~g}\), which is moving horizontally with a velocity of \(150 \mathrm{~m} / \mathrm{s}\) strikes and sticks to it. Subsequently when the string makes an angle of \(60^{\circ}\) with the vertical, the tension in the string is \(\left(g=10 \mathrm{~m} / \mathrm{s}^2\right)\)AP EAMCET 2013 Medium
More PYQs from AP EAMCET
- The angle between the lines represented by isAP EAMCET 2021 Medium
- A mixture of substances A, B, C, D is subjected to column chromatography. The degree of adsorption is in the order of \(\mathrm{D}\gt\mathrm{B}\gt\mathrm{C}\gt\mathrm{A}\). The column is eluted with suitable solvent. Identify the correct statement with respect to separation of mixtureAP EAMCET 2024 Medium
- Reducing saccharides among the following are
AP EAMCET 2018 Easy - An explosion blows a stationary rock into three parts. Two parts of masses \(1 \mathrm{~kg}\) and \(2 \mathrm{~kg}\) moves at right angles to one another with velocities \(12 \mathrm{~ms}^{-1}\) and \(8 \mathrm{~ms}^{-1}\), respectively. If the velocity of third part is 4 \(\mathrm{ms}^{-1}\), the mass of the rock isAP EAMCET 2019 Medium
- The line \(x=\frac{\pi}{4}\) divides the area of the region bounded by \(y=\sin x, y=\cos x\) and \(x\)-axis \(\left(0 \leq x \leq \frac{\pi}{2}\right)\) into two regions of areas \(A_1\) and \(A_2\). Then \(A_1, A_2\) equalsAP EAMCET 2009 Medium
- Statement (I) The elimination of arbitrary constants from \(\alpha, \beta\) and \(\gamma\) from \(y=(\alpha+\beta+\gamma) x\) results in a differential equation of order three.
Statement (II) The elimination of arbitrary constants \(\alpha, \beta\) and \(\gamma\) from \(y=\alpha x+\beta \sin x+\gamma e^x\) results in a differential equation of order three.AP EAMCET 2019 Easy