Quiz238-2025

What does the Hamiltonian operator represent in quantum mechanics?

• Potential energy only

• Kinetic energy only

• Total energy of the system

• Momentum of the particle

What is the normalized wave function's total probability in quantum mechanics?

• Infinity

• 2

• 1

• 0

What is a formula to find the 'expectation value' of normalized wave function ψ corresponding to Â?

• ∫_{all space}ψ*ψdτ

• ∫_{all space}ψ*Âψdτ

• ∫_{all space}ψ*ψdτ = 1

• Âψ=Eψ

The peak of IR spectrum corresponds to which motion?

• Translation

• Vibration

• Rotation

• Orbit of atom

Radial part of H-atom depends on which quantum number?

• n

• l

• m_l

• m_s

Which of the following molecules exists?

• H₂⁺

• He₂

• He₂⁺

• H₂^-