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Investigation of the physical properties on an n- type GaP single crystal semiconductor compound is given. The magneto-optical properties, magneto photoconductivity, Hall effect as well as Seebeck and Nernst effects are measured for the same sample. A constructed basic experimental set-up for conducting these measurements is shown. An optical cryostat which is capable to control the sample temperature in the range of (200-340 K) is shown. The cryostat is also suitable for measuring electrical as well as thermal measurements. Results of energy gap is obtained from both optical absorption...

The famous saying "beauty lies in the eye of the beholder" holds true for a seemingly simple procedure like for example; selection of denture teeth in patients with few or all teeth missing. Given the social significance of dental aesthetics and the varying perception of aesthetics in the modern dental patient, this scientific study explores the relationship between ethnicity and dental aesthetics. It involves subjects from differing ethnic backgrounds to see that while choosing teeth for themselves from a manufacturer's mould guide and shade guide do they choose the appropriate teeth for...