Question:

Match the following 

Column IColumn II
(P) Associated Legendre polynomials(III) Angular part of H atom
(Q) Hermite polynomials(I) Harmonic oscillator
(R) Associated Laguerre polynomials(IV) Radial part of H atom
(S) Trigonometric functions(II) Particle in a box model

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Hydrogen atom: Angular \(⇒\) Legendre, Radial \(⇒\) Laguerre.
Harmonic oscillator: Hermite polynomials.
Particle in a box: Sine and cosine (trigonometric).
Updated On: Aug 29, 2025
  • P→III, Q→I, R→IV, S→II
  • P→III, Q→IV, R→II, S→I
  • P→IV, Q→I, R→III, S→II
  • P→II, Q→III, R→IV, S→I
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The Correct Option is A

Solution and Explanation

Step 1: Recall the forms of special functions in quantum mechanics.
- The angular part of the hydrogen atom wavefunction (spherical harmonics) involves Associated Legendre polynomials.
- The harmonic oscillator solutions are expressed in terms of Hermite polynomials.
- The radial part of the hydrogen atom wavefunction involves Associated Laguerre polynomials.
- The particle in a box has solutions in terms of trigonometric functions (sine and cosine).
Step 2: Match each entry.
- \(P \to III\): Associated Legendre polynomials → angular part of H atom.
- \(Q \to I\): Hermite polynomials → harmonic oscillator.
- \(R \to IV\): Associated Laguerre polynomials → radial part of H atom.
- \(S \to II\): Trigonometric functions → particle in a box.
\[ \boxed{\text{P→III, Q→I, R→IV, S→II = Option (A)}} \]
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