Download App

Thermodynamics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsThermodynamics1 Mark
MCQ
For a reversible process, necessary condition is
  • A
    In the whole cycle of the system, the loss of any type of heat energy should be zero
  • B
    That the process should be too fast
  • ✓
    That the process should be slow so that the working substance should remain in thermal and mechanical equilibrium with the surroundings
  • D
    The loss of energy should be zero and it should be quasistatic
✓

Answer

Correct option: C.
That the process should be slow so that the working substance should remain in thermal and mechanical equilibrium with the surroundings
That the process should be slow so that the working substance should remain in thermal and mechanical equilibrium with the surroundings

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

Explore more

More "MCQ" from Thermodynamics→Thermodynamics — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Speed of sound in mercury at a certain temperature is $1450 \mathrm{~m} / \mathrm{s}$. Given the density of mercury as $13.6 \times 10 \mathrm{~kg} / \mathrm{m}$, the bulk modulus for mercury is
→
A body of mass $M$ moves with velocity $v$ and collides elastically with a another body of mass $m(M>m)$ at rest then the velocity of body of mass $m$ is
→
The velocity of light emitted by a source $S$ observed by an observer $O$, who is at rest with respect to $S$ is $c$. If the observer moves towards $S$ with velocity $v$, the velocity of light as observed will be
→
An electron jumps from $5^*$ orbit to $4^*$ orbit of hydrogen atom. Taking the Rydberg constant as $10^7$ per metre. What will be the frequency of radiation emitted
→
In an ac circuit, the r.m.s. value of current, $l$ is related to the peak current, $l$ by the relation
→
Two springs with spring constants $K_1=1500 N / m$ and $K_2=3000 N / m$ are stretched by the same force. The ratio of potential energy stored in spring will be
→
If water rises in a capillary tube upto $3 \mathrm{~cm}$. What is the diameter of capillary tube (Surface tension of water $=7.2 \times 10^{-2}\  \mathrm{N} / \mathrm{m}$ )
→
You are given a resistance wire of length $50 cm$ and a battery of negligible resistance. In which of the following cases is largest amount of heat generated
→
The brightness of a bulb will be reduced, if a resistance is connected in
→
According to Hook's law force is proportional to
→