Items 1 to 5: What is the log10 MW of the following bands? 1. Band 2 А. 0.943 B. 0.963 C. 0.973 D. 0.975 E. None of the above. 2. Band 4 A. 0.646 B. 0.643 C. 0.826 D. 0.301 E. None of the above. 3. Band 5 A. 0.374

Q: Q. What are the Q. What are the advantages of transversely heating the graphite tube?

A: according to guidelines i can answer only 1st question

Q: Which of the following conditions DOES NOT show an improvement in the elution process? O increased…

A: Elution is a separation method that uses a stream of gas or liquid moving in the opposite direction…

Q: 3. An fcc structured crystal, which area has the most Miller index of atoms per unit area?.…

A:

Q: The Energy-dispersive X-ray spectroscopy spectra of a zeolite sample is shown below, what is the…

A: Energy- dispersive x-ray spectroscopy is an analytical technique used for the elemental analysis or…

Q: A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at…

A: Answer = 509.12 Complete solution is given in next step.

Q: Si sample of unknown doping, Hall measurement has been made and the following information obtained:…

A:

Q: Which composite or chemical would you prefer to capture infrared light on the beryllium surface…

A: Beryllium mirrors are polished surfaces of beryllium metal which possesses a highly durable and…

Q: Spin transistor. a the origin of Polarity of magnetoresistance in graphene interlayer

A: In this question we have to tell that the origine of polarity of Magnetoresistance in graphene…

Q: A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at…

A: Because, the maximum wavelength (λmax) is known to us. Therefore, to calculate the energy(E)…

Q: You are given the following data  : Peak order (n)…

A: Given: Peak order (n)                                                  Diffraction Angle (2q) 1…

Q: The typical temperature of plasma electrons used in semiconductor processing is 10ev >100ev >1MEV

A: Plasma, which was first identified by chemist Irving Langmuir in the 1920s, is one of the four…

Q: What type of plot is shown below? 12 000 10 00- 8000 B000 4.000 - 2000 O 00 00 10.0 200 30.0 400 a.…

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Q: Preve that the e-0.225 rove = 0-225 ra For Coord. Namber 4 in Ceramic Grypstal structure 2.

A: Answer:- This question is answered by using the simple concept of calculation radius ration for the…

Q: pattern 27.5951 and 33.9664 (20°). Cu Ka radiation was used with a wavelength of 1.5418 Å in the…

A: ANSWER : The first 3 diffraction lines  are :  ( 1 1 0 )    ( 2 0 0 )    ( 2 1 1 ) So the unit cell…

Q: Using a simple infinite barrier approximation, calculate the “effective bandgap” of a 10 nm…

A:

Q: Derive simplified expressions for F2 for diamond, including the rules governing observed…

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Q: Q4)A silicon wafer is doped with 10^21 phosphorus atoms / m^3. Find the carrier concentration and…

A: Given: Nc = 2.8 × 1025 m-3 Ni = 1.5×1016 m-3 Phosphorous is dopant.

Q: 3.58 (a) Derive planar density expressions for FCC (100) and (111) planes in terms of the atomic…

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Q: If the flow time of water at a temperature of 20 ° C in the viscometer equals 427.5 seconds.…

A:

Q: a- Determine the Structure Factor of FCC lattice for all even or all odd Miller indices? b- and what…

A:

Q: It is desired to chrome a cubic metal piece with a 10 cm edge with a chromium layer (d = 7.2 g / ml)…

A: A numerical problem based on electrolysis that is to be accomplished.

Q: Q3 a) Describe the mechanism of electrical conduction inside a semiconductor? b) Calculate the…

A: Answer..

Q: Why do natural diamonds do not behave as semi-conductors?

A: “Since you have asked multiple questions, we will solve one question for you. If you want any…

Q: re 1 shows an x-ray diffraction pattern for a-iron (BcC) taken using a di hochromatic x-radiation…

A:

Q: Calculate the number of Frenkel defects per cubic meter in Al2O3 if the energy required to create a…

A: Please find your solution below :

Q: . Two flat glass plates are in contact along one end and are separated by a sheet of apaper 4.0 x…

A:

Q: Q3: For BCC iron, compute (a) the interplanar spacing and (b) the diffraction angle for the (220)…

A:

Q: Determine the diffraction angle of a polycrystalline material alpha-Fe BCC at (211) plane with…

A:

Q: (a) A silicon sample maintained at T = 300 K is uniformly doped with Nd = 1016cm-3 donors. Calculate…

A:

Q: Two parallel gray planes have emissivities of 0.8 and 0.7 and are maintained at 800°C and 1500°C.…

A:

Q: Spacing between the (200) planes is twice as big as the spacing between the 100 planes in BCC unit…

A: The distance between the planes is given by, d=ah2+k2+l2 where a is the unit cell, h, k and l are…

Q: 12. What is the expected limiting molar conductivity (mS m² mol¹) for Ca(NO3)2? a) 25.012 b) 25.662…

A:

Q: Explain why the center of the band is used to calculate the Rf value for a cation rather than the…

A: Polar compounds shows tailing nature during tlc elution (See figure). The center of band is the…

Q: 02. Fill in the blank of the following statements (a) Scanning electron microscope (SEM) is a…

A: a) Scanning electron microscope (SEM) is a microscope that uses focused electron beam rather than…

Q: Slits separated by 0.02 cm are used to form a first order line on a screen 100 cm away. The lines…

A: It is a double slit experiment question. The solution is provided in step 2.

Q: 3.) At room temperature the electrical conductivity of PbTe is 500 (Q-m)1 whereas the electron and…

A: Given,  Electrical conductivity of PbTe= 500 / ohm m Electron mobility = 0.16 m2/V.s Hole mobility=…

Q: D. FILL THE TABLE BELOW. Molar mass M(g/mole) Atomic radius Theoretical density P(g/cm") Density at…

A: 1) α-Polonium For simple cubic, the relation between radius, r and edge length, a is: a=2r…

Q: X-ray diffractionanalysis(using a Cu anode)of a specimen with a known cubiccrystal structure reveals…

A: We know that wavelength of the X-ray emitted from Cu anode = 1.54 angstrom = 1.54×10-10 m Suppose,…

Q: At room temperature (i.e., 300 K), a semiconductor made of gallium arsenide (GaAs) has an intrinsic…

A: The electrical conductivity and resistivity can be expressed as follows-

Q: In Monochromators the entrance slit transmits a single A the exit slit transmits a single A the…

A: A monochromator is an optical device used in the spectrometer.

Q: Which type of magnetic material cannot be used to makepermanent magnets, a ferromagnetic substance,…

A: Permanent Magnets A magnet that retains its magnetic properties in the absence of an inducing field…

Q: Compute the resistivity of aluminum wire 5 mm in diameter and 5 m long. 4 07.6 x 10^-3 O 6.7 x 10^-5…

A: \Given that : Diameter = 5mm = 5×10-3 m Length = 5 m

Q: Which is not correct for variable resistors? a. Resistance cannot be changed O b. Used as…

A: Variable resistor :  Variable resistors are resistors that change resistance from zero to certain…

Q: Determine the structure factor for the basis of the diamond. (a) S. =1+e 4+*+) basis (b) Szasis…

A:

Q: What is the instrumentation of Conductometry ?

A: Instrumentation of conductometry is given as follows