Question

The magnitude of energy difference between the energy levels 𝑛=3 and 𝑛=2 of a quantum particle of mass 𝑚 in a box of length L is $\frac{Xℎ ^2}{ 8𝑚L ^2} .$
Then X = _______.
(rounded off to the nearest integer)
[Given: ℎ is Planck’s constant and 𝑛 denotes the quantum number]

Answer 1

The correct answer is: 5