WBJEE · Physics · Thermodynamics
One mole of an ideal monoatomic gas is heated at a constant pressure from \(0^{\circ} \mathrm{C}\) to \(100^\circ C\). Then the change in the internal enery of the gas is (Given, \(R=8.32 \mathrm{J} \mathrm{mol}^{-1} \mathrm{K}^{-1}\) )
- A \(0.83 \times 10^{3} \mathrm{J}\)
- B \(46 \times 10^{3} \mathrm{J}\)
- C \(2.08 \times 10^{3} \mathrm{J}\)
- D \(1.25 \times 10^{3} \mathrm{J}\)
Answer & Solution
Correct Answer
(D) \(1.25 \times 10^{3} \mathrm{J}\)
Step-by-step Solution
Detailed explanation
We know that \(\Delta U=n C_{v} \Delta T\)…
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
-

Consider the circuit shown. If all the cells have negligible internal resistance, what will be the current through the \(2 \Omega\) resistor when steady state is reached?WBJEE 2020 Hard - When an \(A C\) source of emf \(E\) with frequency \(\omega=100 \mathrm{~Hz}\) is connected across a circuit, the phase difference between
\(E\) and current I in the circuit is observed to be \(\frac{\pi}{4}\) as shown in the figure. If the circuit consist of only \(\mathrm{RC}\) or \(\mathrm{RL}\) in series, then
WBJEE 2022 Easy - Two blocks of \(2 \mathrm{~kg}\) and \(1 \mathrm{~kg}\) are in contact on a frictionless table. If a force of \(3 \mathrm{~N}\) is applied on \(2 \mathrm{~kg}\) block, then the force of contact between the two blocks will be :
WBJEE 2010 Medium - Given \(\overrightarrow{\mathrm{A}}=2 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}\) and \(\overrightarrow{\mathrm{B}}=\hat{\mathrm{i}}+\hat{\mathrm{j}}\). The component of vector \(\overrightarrow{\mathrm{A}}\) along vector \(\overrightarrow{\mathrm{B}}\) isWBJEE 2011 Easy
- Three infinite plane sheets carrying uniform charge densities \(-\sigma, 2 \sigma, 4 \sigma\) are placed parallel to \(X Z\) plane at \(Y=a, 3 a\), 4a respectively. The electric field at the point \((0,2 a, 0)\) isWBJEE 2021 Easy
- A proton is moving with a uniform velocity of \(10^{6} \mathrm{ms}^{-1}\) along the \(Y\) -axis, under the joint action of a magnetic field along \(Z\) -axis and an electric field of magnitude \(2 \times 10^{4} \mathrm{Vm}^{-1}\) along the negative \(X\) -axis. If the electric field is switched off, the proton starts moving in a circle. The radius of the circle is nearly given: \(\frac{e}{m}\) ratio for proton \(=10^{4} \mathrm{Ckg}^{-1}\)WBJEE 2017 Medium
More PYQs from WBJEE
- The remainder obtained when \(11+2 !+95 !\) is divided by 15 isWBJEE 2012 Easy
- A square conducting loop is placed near an infinitely long current carrying wire with one edge parallel to the wire as shown in the figure. If the current in the straight wire is suddenly halved. which of the following statements will be true? "The loop will .......".
WBJEE 2019 Medium - A radioactive nucleus decays as follows :
\(X \xrightarrow{\alpha} X_1 \xrightarrow{\beta} X_2 \xrightarrow{a} X_3 \xrightarrow{\gamma} X_4\)
If the mass number and atomic number of ' \(X_4\) ' are 172 and 69 respectively, then the atomic number and mass number of ' \(X\) ' areWBJEE 2025 Medium - If the line \(a x+b y+c=0, a b \neq 0,\) is a tangent
to the curve \(x y=1-2 x,\) thenWBJEE 2017 Medium - Platinum, Palladium and Iridium are called noble metals becauseWBJEE 2011 Easy
- Let \(\alpha\) and \(\beta\) be iwo distinct roots of \(a \cos \theta+b \sin \theta=c,\) where \(a, b, c\) are three
real constants and \(0 \in|0,2 \pi|\). Then, \(\alpha+\beta\) is also a root of the same equation, ifWBJEE 2015 Medium