Second Law of Thermodynamics

Explain the entropy of the system.

PMM2 is the machine which violates-

For an increase in the entropy define ____ of nature.

Entropy is the third law of thermodynamics.

Define the entropy.

Which of the following option are correct for the second law of thermodynamics?

What is the hypothetical example of the Kelvin – Planck Statement?

 Kelvin Planck Statement deals with conversion of work into _____, conservation of work, conservation of heat, and conversion of heat into work.

Kelvin Planck's law deal with

Efficiency of a engine always less than unity.

Clausius's statement is a part of

A refrigerator operates on:

What do you mean by Clausius's statement?

Heat engine is a device in which a system undergoes a _____ process resulting in conversion of heat into work. (cyclic/non-cyclic)

_____ in thermodynamics refers to the situation when macroscopic variables describing the thermodynamic state of a system do not depend on time.

Which theory of motivation emphasizes the role of external rewards and punishments?

What is the term for the minimum amount of stimulus energy necessary for sensation to occur?

The law of diminishing marginal utility states that as a consumer consumes more units of a good, the additional utility gained from each additional unit:

Two heat engines $A$ and $B$ have their sources at 1000 K and 1100 K and their sinks are at 500 K and 400 K respectively. What is true about their efficiencies?

"Heat cannot by itself flow from a body at lower temperature to a body at higher temperature" is a statement or consequence of