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Question 1 (a) An experiment is performed to study the inclusive kº production in the reaction...
state the equation that you use Semiconductor Germanium has a density of 5323 a. cm- and...
state the equation that you use
Semiconductor Germanium has a density of 5323 a. cm- and atomic mass of 72.63u. If we assume that Germanium can contribute 1 conducting electron per atom, calculate the maximum number of conducting electrons in a silicon sample of 2cm X 10cm X 10cm. E1, frd = eftew+1E2, ~êr = ()**; Superconductor E3, M05T, = constant; E4, E,0) = 3.54k87c; E5, E,(T) = 1.74E,(0)(1-3)*; E6, critical magnetic field B.(T) = B_(0)(1-). Order of energy of...
a) solve q value b/c) draw Feynman diagram 3. (a) Calculate the Q-value (in MeV) for...
a) solve q value
b/c) draw Feynman diagram
3. (a) Calculate the Q-value (in MeV) for the following reaction (see the table on page 4): p+ → Aº + Kº + Tº (c) Draw a possible Feynman diagram for the reaction above at the quark level. The quark composition of the particles are as follows: p: uud, nt :ūd, Aº: uds, Kº: ds, Tº: uū. Partide name Symbol Anti- particle Spin Mass (MeV/c) B L L . S antiparticles have...
Hi everyone, I have a problem about semiconductor. Please help me with it,thanks a lot. Background:...
Hi everyone, I have a problem about semiconductor.
Please help me with it,thanks a lot.
Background:
Question:
Physical Constants: Vacuum permittivity: £o = 8.85 x 10-14 F/cm Planck's constant: h=6.63 x 10-34 J-s Speed of light: c= 3.0 x 100 cm/s Electronic charge: q=1.60 x 10-19 C Electron rest mass: m. = 9.11 x 10-31 kg Boltzmann constant: kb = 1.38 x 10-23 J/K Thermal energy at 300 K: kBT = 0.0259 eV Energy unit conversion: 1eV = 1.60 x...
2. Cirele the designator in front of the most correct answer from the list following each question or statement. (a) Classically, a particle of mass 1 u that has a kinetic energy of 0.5 MeV has what...
2. Cirele the designator in front of the most correct answer from the list following each question or statement. (a) Classically, a particle of mass 1 u that has a kinetic energy of 0.5 MeV has what momen- tum? [10 points i. 1.631 x 10-20 kg m-1 ii. 1.631 x10-10 kg m s-1 ii. 3.262 x 10-20 kg m -1 iv. 3.262 × 10-10 kg m s-1 . 1.00 kg m s-1 (b) What is the mean free path length...
3 At a given time, the normalised wave function for a particle in a one-dimensional infinite...
3 At a given time, the normalised wave function for a particle in a one-dimensional infinite square well -a < x < a is given by 2 sin2 V inside the well and zero outside. Find the probability that a measurement of energy yields the eigenvalue En. (Hint: use data on page 6.) [6] Useful Data and Formulas = 1.60 x 10-19 C Elementary charge e h/2T=1.05 x 10-34 Js Planck's constant 3.00 x 108 m s-1 Speed of light...
Taking pure silicon (Si) as an example, explain what is meant by the terms electron-hole generation...
Taking pure silicon (Si) as an example, explain what is meant by the terms electron-hole generation and recombination, how they affect the electrical conductivity, and define what is meant by the "intrinsic carrier density", n. [5 marks] Q3. a) b) With the aid of both lattice and energy band diagrams, explain how n-type doping of Si is achieved and state two types of suitable dopant atoms. [7 marks] c) An n-type region on a Si wafer has a donor concentration...
I didn't know which one so I posted all of what I was provided Acid/Base Ionization...
I didn't know which one so I
posted all of what I was provided
Acid/Base Ionization Constants at 25 °C Acid Formula Kal Ka2 Каз Acetic acid CH3COOH 1.8x10-5 Acetylsalicylic acid (aspirin) HC,H-04 3.0x10-4 Aluminum ion Al(H20)43+ 1.2x10-5 Arsenic acid H3 AsO4 2.5x10-4 5.6x10-8 3.0x10-13 Ascorbic acid H2C6H606 7.9x10-5 1.6x10-12 Benzoic acid CH3COOH 6.3x10-5 Carbonic acid H2CO3 4.2x10-7 4.8x10-11 Ferric ion Fe(H20)63+ 4.0*10-3 Formic acid HCOOH 1.8x104 Hydrocyanic acid HCN 4.0*10-10 Hydrofluoric acid HF 7.2x104 Hydrogen peroxide H202 2.4x10-12 Hydrosulfuric...
a=11 Question 2. In a study of head injury against the instrument panel of a car...
a=11
Question 2. In a study of head injury against the instrument panel of a car during sudden or crash stops where lap belts without shoulder straps or airbags are used, the segmented human model shown in Fig. 2(a) is analysed. The hip joint Ois assumed to remain fixed relative to the car, and the torso above the hip is treated as a nonuniform rigid body of mass m pivoted at 0. The centre of mass of the torso is...
Please help me answer this question it 1 question from A to J. PHY HW. •...
Please help me answer this question it 1 question from A to J.
PHY HW.
• Moments of inertia formulas are provided on the last page of this document • Show all of your work when solving equations. It is not sufficient to merely have a correct numerical answer. You need to have used legitimate equations and algebra. You also need to have correctly used the data. • Units must be specified for any isolated number, not just your final...
could you please help me solving this. like and comment are rewarded. 1. A vacuum bubble...
could you please help me
solving this. like and comment are rewarded.
1. A vacuum bubble forms in a liquid and subsequently collapses. The liquid has density 1g em 3 and pressure equal to 1 standard atmosphere. The initial radius of the bubble is 2 mm. Using dimensional analysis, estimate the duration of the collapse. 2. An astronaut throws a small rock whilst standing on an open plain on Mars. Their hand is moving at approximately 60 km h -...
state the equation that you use
Semiconductor Germanium has a density of 5323 a. cm- and atomic mass of 72.63u. If we assume that Germanium can contribute 1 conducting electron per atom, calculate the maximum number of conducting electrons in a silicon sample of 2cm X 10cm X 10cm. E1, frd = eftew+1E2, ~êr = ()**; Superconductor E3, M05T, = constant; E4, E,0) = 3.54k87c; E5, E,(T) = 1.74E,(0)(1-3)*; E6, critical magnetic field B.(T) = B_(0)(1-). Order of energy of...
a) solve q value
b/c) draw Feynman diagram
3. (a) Calculate the Q-value (in MeV) for the following reaction (see the table on page 4): p+ → Aº + Kº + Tº (c) Draw a possible Feynman diagram for the reaction above at the quark level. The quark composition of the particles are as follows: p: uud, nt :ūd, Aº: uds, Kº: ds, Tº: uū. Partide name Symbol Anti- particle Spin Mass (MeV/c) B L L . S antiparticles have...
Hi everyone, I have a problem about semiconductor.
Please help me with it,thanks a lot.
Background:
Question:
Physical Constants: Vacuum permittivity: £o = 8.85 x 10-14 F/cm Planck's constant: h=6.63 x 10-34 J-s Speed of light: c= 3.0 x 100 cm/s Electronic charge: q=1.60 x 10-19 C Electron rest mass: m. = 9.11 x 10-31 kg Boltzmann constant: kb = 1.38 x 10-23 J/K Thermal energy at 300 K: kBT = 0.0259 eV Energy unit conversion: 1eV = 1.60 x...
2. Cirele the designator in front of the most correct answer from the list following each question or statement. (a) Classically, a particle of mass 1 u that has a kinetic energy of 0.5 MeV has what momen- tum? [10 points i. 1.631 x 10-20 kg m-1 ii. 1.631 x10-10 kg m s-1 ii. 3.262 x 10-20 kg m -1 iv. 3.262 × 10-10 kg m s-1 . 1.00 kg m s-1 (b) What is the mean free path length...
3 At a given time, the normalised wave function for a particle in a one-dimensional infinite square well -a < x < a is given by 2 sin2 V inside the well and zero outside. Find the probability that a measurement of energy yields the eigenvalue En. (Hint: use data on page 6.) [6] Useful Data and Formulas = 1.60 x 10-19 C Elementary charge e h/2T=1.05 x 10-34 Js Planck's constant 3.00 x 108 m s-1 Speed of light...
Taking pure silicon (Si) as an example, explain what is meant by the terms electron-hole generation and recombination, how they affect the electrical conductivity, and define what is meant by the "intrinsic carrier density", n. [5 marks] Q3. a) b) With the aid of both lattice and energy band diagrams, explain how n-type doping of Si is achieved and state two types of suitable dopant atoms. [7 marks] c) An n-type region on a Si wafer has a donor concentration...
I didn't know which one so I
posted all of what I was provided
Acid/Base Ionization Constants at 25 °C Acid Formula Kal Ka2 Каз Acetic acid CH3COOH 1.8x10-5 Acetylsalicylic acid (aspirin) HC,H-04 3.0x10-4 Aluminum ion Al(H20)43+ 1.2x10-5 Arsenic acid H3 AsO4 2.5x10-4 5.6x10-8 3.0x10-13 Ascorbic acid H2C6H606 7.9x10-5 1.6x10-12 Benzoic acid CH3COOH 6.3x10-5 Carbonic acid H2CO3 4.2x10-7 4.8x10-11 Ferric ion Fe(H20)63+ 4.0*10-3 Formic acid HCOOH 1.8x104 Hydrocyanic acid HCN 4.0*10-10 Hydrofluoric acid HF 7.2x104 Hydrogen peroxide H202 2.4x10-12 Hydrosulfuric...
a=11
Question 2. In a study of head injury against the instrument panel of a car during sudden or crash stops where lap belts without shoulder straps or airbags are used, the segmented human model shown in Fig. 2(a) is analysed. The hip joint Ois assumed to remain fixed relative to the car, and the torso above the hip is treated as a nonuniform rigid body of mass m pivoted at 0. The centre of mass of the torso is...
Please help me answer this question it 1 question from A to J.
PHY HW.
• Moments of inertia formulas are provided on the last page of this document • Show all of your work when solving equations. It is not sufficient to merely have a correct numerical answer. You need to have used legitimate equations and algebra. You also need to have correctly used the data. • Units must be specified for any isolated number, not just your final...
could you please help me
solving this. like and comment are rewarded.
1. A vacuum bubble forms in a liquid and subsequently collapses. The liquid has density 1g em 3 and pressure equal to 1 standard atmosphere. The initial radius of the bubble is 2 mm. Using dimensional analysis, estimate the duration of the collapse. 2. An astronaut throws a small rock whilst standing on an open plain on Mars. Their hand is moving at approximately 60 km h -...
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