A Proton Is in a One-Dimensional Box of Length 2 $\times$

question 24

Multiple Choice

A proton is in a one-dimensional box of length 2 $\times$ 10^-15 m.What is the value of the energy of the n = 5 state divided by the energy of the n = 3 state?

• A)1.7
• B)16
• C)2.8
• D)2.0
• E)0.4

---

Definitions:

Nitrogen-Fixing Bacteria

Bacteria that convert atmospheric nitrogen into ammonia, a form accessible to plants for nutrition.

Essential Elements

Nutrients required for organisms to perform vital bodily functions and sustain life, which cannot be synthesized by the organism.

Cohesion-Tension Theory

A theory that explains the movement of water and nutrients from roots to leaves in plants through the cohesive and adhesive properties of water.

Mesophyll

The inner tissue of a leaf, containing chlorophyll where photosynthesis takes place, typically between the upper and lower epidermis.