Explain electronic interpretation of oxidative doping. How polaron is different from soliton structurally? 2 Q8. Explain the Meissner effect exhibited by superconductors. Whais critical temperature? 2 Q9. What happens during charging and discharging of lead acid storage cell? Is the mechanism same in case of Fuel cell? 2 Q10a. Explain order parameter and its importance in respect to liquid crystal materials? What are the characteristic structural features of all liquid crystalline material