Search for Important Questions

Important Questions for "Quantum Mechanics":

[1]

  1. The angular momentum operator Ly is?
  2. Which one will show the transition?
  3. Corresponding values for P, Q, R branches in vibrational rotational spectra will be?

[2]

  1. Which molecules are active in microwave and infrared spectroscopy?
  2. What represents orientation polarization mathematically?
  3. Which molecules do not possess dipole moments?

[3]

  1. Give the theory of first order Stark effect on the basis of quantum mechanics and discuss the splitting of the energy levels.
  2. Prove that product of two commuting projection operators p and pz is also a projection operator.
  3. If sigma_x, sigma_y, and sigma_z are Pauli spin matrices and A and B are constant vectors, show that (sigma.A)(sigma.B) = A.B + i sigma.(A x B).

[4]

  1. What are the postulates of quantum mechanics?
  2. What are eigen values and eigen functions?
  3. Derive an expression for vibrational energy of a diatomic molecule assuming it to be a simple harmonic oscillator. What is 'Zero point Energy'?

GKPAD.COM by SK Yadav | Disclaimer

free counter