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Describe the operation of a Fabry Perot Resonator. Explain why it might be used in a 4. laser. 5. Describe the effect o...
Photonics and Optical Revision Sheet 1 1. Caculate the photon energy in eV for a wavelength of 1....
Photonics and Optical Revision Sheet 1 1. Caculate the photon energy in eV for a wavelength of 1.55 um 2, A 1.55 μm digital communications system operating at 4 GBits/s receives an average power of -24 dBm at the detector. On the assumption that 1 and 0 bits are equally likely to occur how many photons are received within each 1 bit? 3. A1.3 um digital communications system operating at 3 GBits/s receives an average power of -29 dBm at...
4. Describe what is meant by a metastable state. Explain why metastable materials can be used...
4. Describe what is meant by a metastable state. Explain why metastable materials can be used in applications - even life safety applications - even though they are by definition not stable. 5. Why does martensite need to be tempered? Describe what happens when you "temper” martensite 6. What is the crystal structure for martensite? Is martensite formation a diffusional or diffusionless process?
Describe the 4 components of fitness. Explain how carbohydrates, fats and proteins are used for energy during physical a...
Describe the 4 components of fitness. Explain how carbohydrates, fats and proteins are used for energy during physical activity. What changes could you / would you do to increase your physicial activity? COURSE: Essentials of Nutrition
Describe cohort, static, and age distribution life tables. Which are most commonly used and why? How...
Describe cohort, static, and age distribution life tables. Which are most commonly used and why? How could life table data, in combination with a fecundity schedule, be used to determine the per capita rate of increase (r) of a population exhibiting iteroparity? You must describe, step by step, how you would take hypothetical data from a raw table of survivorship and age specific fertility rates to the per capita rate of increase.
3. Why might a patient's jewelry be hazardous in the OR? 4. What are the safety precautions to be considered with p...
3. Why might a patient's jewelry be hazardous in the OR? 4. What are the safety precautions to be considered with placement of patient return electrode? 5. What are the three properties of laser light that are different than normal light? 6. How is distention achieved in minimally invasive procedures, and why is it necessary? 7. Which types of trocars are used for laparoscopy, and what are their advantages? 8. Why are angled rigid endoscopes used, and in which types...
short answer required 3. Suppose that velocity of money and output are . Gulf constant and the fresher effect both hold what happens to inflation real interest rate and nominal interest rate when...
short answer required
3. Suppose that velocity of money and output are . Gulf constant and the fresher effect both hold what happens to inflation real interest rate and nominal interest rate when the money supply growth rate increases from (096) to (5%)? 4. Why might a favorable change to the economy such as technological change or a decrease in the price of imported oil be associated with an increase frictional unemployment? 5. How young population effect economic development? 6....
Please answer 3 question with detail solution 4. Describe the operating principle behind an Erbiu...
Please answer 3 question with detail solution 4. Describe the operating principle behind an Erbium Doped Fiber Amplifier (EDFA). 5. You are required to design an optical communications system between two locations 300 km apart. The power transmitted is 0 dBm and the receiver sensitivity is -29 dBm. The attenuation coefficient for the cable is 0.24 dB/km and there is a splice every 4 km, with a loss of 0.1 dB per splice. If the connector loss is 0.2 dB...
2. The circuits in Figure 10- 2 (a) and (d) constitute a half-adder. Explain why this...
2. The circuits in Figure 10- 2 (a) and (d) constitute a
half-adder. Explain why this is so.
3. Logic outputs are said to be “asserted” high or low
depending upon which level (high or low) is “active” (that is,
produces the desired effect. Look at your truth table for the 7447
(Table 10- 3). Are its outputs asserted high or asserted low? What
about the inputs to the 7447?
4. How do you explain the strange symbols that are...
Number 5 Self-assessment questions |107 4. What methods might be used to identify those parts of...
Number 5
Self-assessment questions |107 4. What methods might be used to identify those parts of especially in the regulation of enzymes in metabolic pathways such as glycolysis. Usually, the amino acid that is phosphorylated is one of serine, threonine tyrosine or histidine. Explain why addition of a phosphate group to one of these amino acids can have a significant effect on the activity of a protein. a transmembrane protein that are exposed on the outer surface of the plasma...
4. What is DNA fingerprinting and explain how this could be used in court or on...
4. What is DNA fingerprinting and explain how this could be used in court or on a TV show such as CSI? 5. List the four "large molecules of life.” Identify their composition and structure, and describe one function they perform in the cell. 6. What is meant by the terms dominant and recessive alleles?
Photonics and Optical Revision Sheet 1 1. Caculate the photon energy in eV for a wavelength of 1.55 um 2, A 1.55 μm digital communications system operating at 4 GBits/s receives an average power of -24 dBm at the detector. On the assumption that 1 and 0 bits are equally likely to occur how many photons are received within each 1 bit? 3. A1.3 um digital communications system operating at 3 GBits/s receives an average power of -29 dBm at...
4. Describe what is meant by a metastable state. Explain why metastable materials can be used in applications - even life safety applications - even though they are by definition not stable. 5. Why does martensite need to be tempered? Describe what happens when you "temper” martensite 6. What is the crystal structure for martensite? Is martensite formation a diffusional or diffusionless process?
3. Why might a patient's jewelry be hazardous in the OR? 4. What are the safety precautions to be considered with placement of patient return electrode? 5. What are the three properties of laser light that are different than normal light? 6. How is distention achieved in minimally invasive procedures, and why is it necessary? 7. Which types of trocars are used for laparoscopy, and what are their advantages? 8. Why are angled rigid endoscopes used, and in which types...
short answer required
3. Suppose that velocity of money and output are . Gulf constant and the fresher effect both hold what happens to inflation real interest rate and nominal interest rate when the money supply growth rate increases from (096) to (5%)? 4. Why might a favorable change to the economy such as technological change or a decrease in the price of imported oil be associated with an increase frictional unemployment? 5. How young population effect economic development? 6....
2. The circuits in Figure 10- 2 (a) and (d) constitute a
half-adder. Explain why this is so.
3. Logic outputs are said to be “asserted” high or low
depending upon which level (high or low) is “active” (that is,
produces the desired effect. Look at your truth table for the 7447
(Table 10- 3). Are its outputs asserted high or asserted low? What
about the inputs to the 7447?
4. How do you explain the strange symbols that are...
Number 5
Self-assessment questions |107 4. What methods might be used to identify those parts of especially in the regulation of enzymes in metabolic pathways such as glycolysis. Usually, the amino acid that is phosphorylated is one of serine, threonine tyrosine or histidine. Explain why addition of a phosphate group to one of these amino acids can have a significant effect on the activity of a protein. a transmembrane protein that are exposed on the outer surface of the plasma...
4. What is DNA fingerprinting and explain how this could be used in court or on a TV show such as CSI? 5. List the four "large molecules of life.” Identify their composition and structure, and describe one function they perform in the cell. 6. What is meant by the terms dominant and recessive alleles?
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