MCQ
If an ideal gas is compressed isothermally then
  • A
    No work is done against gas
  • Heat is relased by the gas
  • C
    The internal energy of gas will increase
  • D
    Pressure does not change

Answer

Correct option: B.
Heat is relased by the gas
(b) In isothermal process, heat is released by the gas to maintain the constant temperature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Young's modulus of a material has the same units as
A thick wire is stretched so that its length become two times. Assuming that there is no change in its density, then what is the ratio of change in resistance of wire to the initial resistance of wire
Which of the following represents the dimensions of Farad
When a copper voltameter is connected with a battery of e.m.f. $12$ volts. $2\  gms$ of copper is deposited in $30$ minutes. If the same voltameter is connected across a $6$ volt battery, then the mass of copper deposited in $45$ minutes would be
In a series circuit $R=300 \Omega, L=0.9 H, C=2.0 \mu F$ and $\omega$ $=1000\ rad / \sec$. The impedance of the circuit is
When the current in a coil changes from $8$ ampere to $2$ ampere in $3 \times 10^{-2}$ second, the e.m.f. induced in the coil is $2$ volt. The self inductance of the coil (in millihenry) is
A cell of internal resistance $3\  \mathrm{ohm}$ and $\mathrm{emf}\  10\  \mathrm{volt}$ is connected to a uniform wire of length $500 \mathrm{~cm}$ and resistance $3 \ \mathrm{ohm}$. The potential gradient in the wire is
For which of the following colour, the magnifying power of a microscope will be maximum
If a magnet of length $10 \mathrm{~cm}$ and pole strength $40 \mathrm{~A}-\mathrm{m}$ is placed at an angle of $45$ in an uniform induction field of intensity $2 \times 10^{-4}\  T$, the couple acting on it is
A coil has $L=0.04\  H$ and $R=12\  \Omega$. When it is connected to $220\  V , 50 \ Hz$ supply the current flowing through the coil, in amperes is