| Waves and Vibrations - Review of simple harmonic motion. Damped simple harmonic motion, non-linear systems. Forced oscillations, transient and steady state terms. Coupled oscillations, normal modes of vibration. Transverse waves, reflection and transmission coefficients. Longitudinal waves. Radiation Physics - Detection Methods, Gas filled detectors. Ionisation chamber, proportional counter, GM counter, dead time, quenching. Scintillation counters, semiconductor devices [Ge(Li), Si(Li). Detection efficiency, energy resolution. Spectroscopy, Pulse height analysis, nuclear spectroscopy, application to mineral exploration and medical diagnosis. Measurement statistics. Radioanalytical Techniques Use of radioactive tracers in medical imaging, industrial processes, biological studies. Non-destructive elemental analysis using, charge particle activation, PIXE, applications to - surface concentration, depth profile analysis. X-ray fluorescence spectrometry, X-ray diffraction Radiation Dosimetry. Roentgen, Gray, Sievert, Exposure measurement, Free air ionization chamber, Air wall chambers, thermoluminescent dosimetry, radiation hazards, ICRP recommendations. |
