Question
In: Physics
A two-dimensional rectangular crystal has a unit cell with sides a1 = 0.468 nm and a2...
A two-dimensional rectangular crystal has a unit cell with sides a1 = 0.468 nm and a2 = 0.342 nm.
(a) Draw to scale a diagram of the reciprocal lattice. Label the reciprocal lattice points for indices in the range 0<h<3 and 0<k<3.
(b) Draw the first and second Brillouin zones using the Wigner-Seitz construction.
Solutions
genius_generous answered 2 years agoRelated Solutions
Gene A has two alleles, A1 and A2. Gene B has two alleles, B1 and B2....
Gene A has two alleles, A1 and A2. Gene B has two alleles, B1
and B2. In a population, the following haplotypes are observed.
A1B1 = 0.2, A2B2 = 0.45, A1B2 = 0.15, and A2B1 = 0.2. Calculate the
extent of linkage disequilibrium, D.
For a sex-linked gene at which there are two alleles, A1 and A2, in a population...
For a sex-linked gene at which there are two alleles, A1 and A2,
in a population and for which the frequency of A1 is 0.9 in females
and 0.3 in males, what will be the frequency of the A1 allele in
the male offspring (sons) after one generation of random
mating?
Explain the difference between the asymmetric unit and the unit cell of a protein crystal. (b)...
Explain the difference between the asymmetric unit and the unit
cell of a protein
crystal. (b) Explain the phase problem and one approach to its
solution.
Explain the difference between the asymmetric unit and the unit cell of a protein crystal. (b)...
Explain the difference between the asymmetric unit and the unit
cell of a protein
crystal. (b) Explain the phase problem and one approach to its
solution.
1. Three pairs of genes with two alleles each (A1 and A2, B1 and B2, and...
1. Three pairs of genes with two alleles each (A1 and A2, B1 and
B2, and C1 and C2) influence lifespan in a human population. The
alleles of these genes have an additive relationship and add the
number of years indicated to the lifespan of the individual.
allele
years
A1
15
A2
4
B1
16
B2
8
C1
13
C2
9
a. If lifespan were entirely genetically determined, what is the
minimum possible lifespan and the associated genotype?
b. If...
Among 40 individuals, 4 are heterozygous for a particular locus with two alleles (A1 and A2),...
Among 40 individuals, 4 are heterozygous for a particular locus
with two alleles (A1 and A2), 16 are homozygous for allele A1, and
20 are homozygous for allele A2.
1. What is the frequency of allele A1?
2.What is chi-squared for your observed/expected genotypes?
3.Does the population depart significantly from Hardy-Weinberg
expectations? (For 1 degree of freedom χ,> 3.84 is
significant)
Separate the wave equation in two-dimensional rectangular coordinates x, y. Consider a rectangular membrane, rigidly attache...
Separate the wave equation in two-dimensional rectangular
coordinates x, y. Consider a rectangular membrane, rigidly attache
to supports along its sides, such that a ≤ x ≤ 0 and b ≤ y ≤ 0.
Find the solution, including the specification of the
characteristic frequencies of the membrane oscillations. In the
case of a = b, show that two or more modes of vibration correspond
to a single frequency
A long conducting pipe has a rectangular cross section with sides of lengths a and b....
A long conducting pipe has a rectangular cross section with
sides of lengths a and b. One face of the pipe is maintained at a
constant potential V = V0 while the other 3 faces are grounded (V =
0). Using separation of variables, find the potential for points
inside the pipe V (x,y).
A thin, rectangular sheet of metal has mass M and sides of length a and b....
A thin, rectangular sheet of metal has mass M and sides of
length a and b. Find the moment of inertia of this sheet about an
axis that lies in the plane of the plate, passes through the center
of the plate, and is parallel to the side with length b. Express
your answer in terms of some or all of the variables M, a, and
b
Find the moment of inertia of the plate for an axis that lies...
Some oxide superconductors adopt a crystal structure similar to that of perovskite CaTiO3. the unit cell...
Some oxide superconductors adopt a crystal structure similar to
that of perovskite CaTiO3. the unit cell is cubic with a Ti4+ ion
in each corner, a Ca2+ ion in the body center and O2- ions ate the
midpoint of each edge. (a) if the unit cell edge length is 3.84 A,
what is the density of perovskite in g/cm3?
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