Home › ERB Professional Registration (UG) › Thermodynamics › Thermodynamics › One physicist summarised the same law humorously…
One physicist summarised the same law humorously as: you cannot get more energy out of a system than you:
APredicted
BPut into it
CPaid for it
DPromised it
Answer & Solution
Correct answer: B. Put into it
1. The joke restates the bookkeeping.
2. Output cannot exceed input.
3. You cannot get more out than you put into it.
_Source: OpenStax University Physics Volume 2, Chapter 3, The First Law of Thermodynamics._
Related questions
A machinist calculates a temperature rise in a copper fitting and needs a property of coppThree different quasi-static routes connect the same two equilibrium states. Work generallA system is taken through several steps and ends in exactly the state it began in. That seThe gas is then cooled in a rigid container so its volume cannot change. That process is:A gas expands while the pressure is held constant. That process is described as:A gas is insulated so that no heat enters or leaves while its state changes. That process In an ideal gas that process leaves internal energy unchanged, so all the heat supplied goA gas expands while its temperature is held constant throughout. That process is: