Question

Derive an expression for calculating energy values corresponding n=3 for a particle in one dimensional box

Answer 1

answer : 9h²/8mL²

applying energy of a particle in one dimension box, E = n²h²/8mL²

where n is nth orbit, h is plank's constant, m is mass of particle and L is length of one dimensional box.

here n = 3

so, energy of particle in one dimensional box, E = (3)²h²/8mL² = 9h²/8mL

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