I need solve this assignment MCQ

Question 4 Question 3 ..) The ground state and the first three excited states of this harmonic oscillator are , In a harmonic oscillator, the spacing occupied. How many different photon energies energy AE between the quantized energy levels is will appear in the emission spectrum? 4 eV. What is the energy of the ground state? O a. Oev O b. lev -E. O c. 4ev O d. 2 ev O a. 6 O b. 2 O c. 4 Question 5 Question 6 Which choice in the list below ;) The lowest-energy photon observed in corresponds to a correct unit of Planck's the vibrational spectrum of a certain quantum harmonic oscillator is 0.11 eV. What is the energy constant? of a photon emitted in a transition from the 4th excited state to the ground state? O a. J/s O b. J.s2 O a. 0.4 eV O b. 0.1 ev O c. eV.s O c. 0.44 eV O d. eV/s O d. 0.11 eV