Answer:
Width of a box, 
Explanation:
The ground level energy of a proton in a box is, E = 5 MeV
Energy in a box is given by :
For ground state, n = 1
m is mass of proton
h is Planck's constant
l is width of the box
So, the width of the bx is 
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Hydrosphere - all the waters on the earth’s surface.
The correct option is A. the isobaric process represented by the PV diagram
<h3>What is isobaric process?</h3>
- An Isobaric method is a thermodynamic revolution taking place at consistent pressure. The period isobaric has been derived from the Greek words “iso” and “baros” indicating equal intimidation.
- As such, the continued pressure is obtained when the importance is expanded or acquired. This basically neutralizes any pressure change due to the transfer of heat.
- In an isobaric procedure, when the heat is transferred to the system some work is done. Nevertheless, there is even a change in the internal energy of the system.
- This additionally means that no amounts as in the first law of thermodynamics evolve zero.
To learn more about isobaric process, refer to:
brainly.com/question/13040268
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