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Question 1
Outline three examples of unusual properties of Nanostructured materials
Question 2
Outline the density of states for 3D, 2D, 1D and 0D systems (use solid state physics text book to aid you. This question repeats that for question 1b. It is important that this question be covered thus is asked twice
Question 3
What is a quantum well: give an example of structure, growth method to make quantum wells and quantum states ie outline quantization using diagrams
Question 4
Is florescence useful as a tool to image biology (for example cancer cells)?. What is Surface Enhanced Fluorescence (SEF)?
A solenoid 2.9 m long has a radius of 0.85 cm and 630 turns. It carries a current I of 2.5 A. What is the approximate magnetic field B on the axis of the solenoid
Calculate the de Broglie wavelength for an alpha particle (He-e nucleus) with energy E = 4.2 GeV (which is emitted in the radioactive decay of U-238)
What percentage of the power of the battery is dissipated across the internal resistance and hence is not available to the bulb
Consider purchasing a new tire with a warranty of 6.4 x 10^7 meters. Calculate the thickness of the tread that will be worn away with each revolution of the tire
When an atom emits a photon in a transition from a state of energy E1 to a state of energy E2, Evaluate this recoil energy for the n = 2 to n = 1 transition of hydrogen.
Three 4 uF capacitors are connected in parallel across the terminals of a 120 Hz generator. What is the capacitive reactance of the circuit
professional baseball pitchers can deliver a pitch which can reach the blazing speed of 100 mph miles per hour. a local
The dimensions of the picture on a 35.0{\rm mm} color slide are x = 24.0{\rm mm} {\times}y = 36.0{\rm mm}. What are the dimensions of the image on the screen
A mode-locked, titanium-sapphire laser has a wavelength of 850 nm and produces 100 million pulses of light each second. What is the average power produced by the laser
A subway train starts from rest at a station and accelerates at a rate of 1.50m/s2 for 14.2s. find total distance covered
A pyramid with horixontal square base, 5.5 m on each side, Calculate the total electric flux through the pyramid four slanted surfaces
Jack and John are standing 6m apart from each other playing soccer. Jack kicks the ball to John and John kicks it back immediately. What is the speed of the ball when it's kicked back to Jack
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