10.B] With neat diagram, explain the principle, construction and working of X-ray photoelectron spectroscope. Answer:- Principle Surface analysis by XPS involved irradiation of the sample by low-energy (and mono-energetic) X-rays…
9 b]Explain in brief how crystal size is determined by Scherrers equation.
10.A] Explain the construction and working of X-Ray diffractometer. Answer:- Principle of X-Ray Diffractometer:X-ray diffractometer is based on the principle of Braggs’ Law The constructive interference of monochromatic Xrays reflected…
8.c] Find the temperature at which there is 1% probability that a state with an energy 0.5 eV above the fermi energy is occupied. Answer:
9.A] With neat diagram, explain the principle, construction and working of Atomic Force Microscope. Answer:- Principle of AFM:- The AFM measures the forces acting between a fine tip and a…
8 a]What is Hall effect Obtain the expression for the Hall coefficient.
7c]Show that occupation probability is equal to non-occupation probability.
7 b]Derive Clausius-Mossotti equation.
7 a]Mention any four assumptions of Drude-Lorentz model and discuss the success of Quantum free electron theory. four major assumption of Drude-Lorentz model Free electrons in a metal resemble molecules…
9.C] X-rays are diffracted in the first order from a crystal with d spacing 2.8 × 10−10 m at a glancing angle 60 °. Calculate the wavelength of X-rays. Answer:-
