## Calculate the probability that an energy level at 0.2eV below the Fermi level is occupied at temperature 500K.

8.C] Calculate the probability that an energy level at 0.2eV below the Fermi level is occupied at temperature 500K. Answer:

8.C] Calculate the probability that an energy level at 0.2eV below the Fermi level is occupied at temperature 500K. Answer:

4.C] The speed of electron is measured to within an uncertainty of 2 × 104 ms−1 in one dimension. What is the minimum width required by the electron to be confined in…

6.C] The ratio of the population of two energy levels out of which the upper one corresponds to a metastable state is 1.059x 10-30. Find the wavelength of light emitted…

9. a) Define nano-material and classify the nano-materials based on the dimensional constraints. Answer: Nano-materials: Nano-materials can be defined as materials possessing, at minimum, one external dimension measuring 1-100nm. Classification…

2. b) Enumerate the properties and applications of shock waves. Answer: Properties of shock waves: Shock waves travel in a medium with mach (M)>1. Shock waves obey the laws of…

2. a) Applying Hooke’s law arrive at the equations for the effective spring constants of Series and Parallel combinations of springs. Answer: Combination of springs in series: Combination of springs…

1.b) Illustrate the generation of shock waves using the Reddy shock tube. Answer: Reddy’s shock tube Generation of shock waves using the Reddy shock tube: A device used to produce…

1.A) Discuss the theory of forced oscillations and hence classify the conditions of variation of amplitude and phase with angular frequency. Answer: Expression for Amplitude and Phase in Forced Oscillations:…

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2. c) The distance between two pressure sensors in a shock tube is 200 mm. The time taken by a shock wave to travel this distance is 0.4ms. If the…