Question
In: Physics
An electron (mass m) is contained in a cubical box of widths Lx = Ly =...
An electron (mass m) is contained in a cubical box of
widths Lx = Ly =
Lz = L. It emits and absorbs light by
making transitions among the lowest five energy levels.
(a) How many different frequencies of light could
the electron emit or absorb if it makes a transition between a pair
of the lowest five energy levels? What multiple of
h/8mL2 gives the (b)
lowest, (c) second lowest, (d)
third lowest, (e) highest, (f)
second highest, and (g) third highest
frequency?
Solutions
genius_generous answered 2 years agoRelated Solutions
A cubical box of widths Lx = Ly = Lz = L = 6.0 nm contains...
A cubical box of widths Lx =
Ly = Lz = L = 6.0
nm contains three electrons. What is the energy of the ground state
of this system? Assume that the electrons do not interact with one
another, and do not neglect spin.
Q.1. Design a simply supported slab for a room of size Lx (m) X Ly (m)...
Q.1. Design a simply supported slab for a room
of size Lx (m) X Ly (m) one end continuous to
support a live load of 300 psf. Take a concrete of strength 4000
psi and steel of strength 60000 psi. Show the cross section of slab
with reinforcement
details.
NOTES : Student will take data given below in the table
against their name.
Lx (m)
Ly (m)
3.5
7.5
Q.1. Design a simply supported slab for a room of size Lx (m) X Ly (m)...
Q.1. Design a simply supported slab for a room
of size Lx (m) X Ly (m) one end continuous to
support a live load of 300 psf. Take a concrete of strength 4000
psi and steel of strength 60000 psi. Show the cross section of slab
with reinforcement
details.
Lx (m)
Ly (m)
4.25
8.5
Q.1. Design a simply supported slab for a room of size Lx (m) X Ly (m)...
Q.1. Design a simply supported slab for a room
of size Lx (m) X Ly (m) one end continuous to
support a live load of 300 psf. Take a concrete of strength 4000
psi and steel of strength 60000 psi. Show the cross section of slab
with reinforcement
details.
NOTES : data given below in the table
Lx (m)
Ly (m)
5.5
12
A cubical box, 5 cm on each side, is immersed in a fluid. The gauge pressure...
A cubical box, 5 cm on each side, is immersed in a fluid. The
gauge pressure at the top surface of the
box is 594 Pa and the gauge pressure on
the bottom surface is 1133 Pa.
(Assume g = 10 m/s2 ) and 1
atm = 1.01 × 105 Pa. and 1 Pa = 1 N/m2
Define gauge pressure
What is the relationship between the gauge
pressure at top and bottom of the cubical box when it
is immersed...
A cubical box is filled with sand and weighs 578 N. We wish to "roll" the...
A cubical box is filled with sand and weighs 578 N. We wish to
"roll" the box by pushing horizontally on one of the upper edges.
(a) What minimum force is required?
(b) What minimum coefficient of static friction
between box and floor is required? (c) If there is
a more efficient way to roll the box, find the smallest possible
force that would have to be applied directly to the box to roll it.
(Hint: At the onset of...
95.- By placing an electron, with effective mass m * in a magnetic field, it is...
95.- By placing an electron, with effective mass m *
in a magnetic field, it is affected by the Lorentz magnetic
force.
a) Write down the equations of motion of the electron
b) Solve the resulting system of equations
c) Find the frequency, W_c, with which the electrons rotate, which
is called the cyclotron frequency.
d) Analyze the resonance problem when the electron is placed
simultaneously with the magnetic field, within an oscillating
electric field and with frequency w.
e)...
A mass of m=1kg of steam is contained in a closed rigid container. Initially the pressure...
A mass of m=1kg of steam is contained in a closed rigid
container. Initially the pressure and temperature of the steam are:
p1= 1.5 MPa and t1=240?C, respectively. Then the temperature drops
to T2 =100?C as the result of heat transfer to the surroundings.
Determine: a) quality of the steam at the end of the process, b)
percentage of volume that is occupied by the saturated liquid at
the final state, c) heat transfer with the surroundings per unit
mass...
As shown in the figure below, a box of mass m = 68.0 kg (initially at...
As shown in the figure below, a box of mass
m = 68.0 kg
(initially at rest) is pushed a distance
d = 91.0 m
across a rough warehouse floor by an applied force of
FA = 226 N
directed at an angle of 30.0° below the horizontal. The
coefficient of kinetic friction between the floor and the box is
0.100. Determine the following. (For parts (a) through (d), give
your answer to the nearest multiple of 10.)
(d)
work...
A box of mass m = 10.0 kg is attached to a rope. The other end...
A box of mass m = 10.0 kg is attached to a rope. The other end
of the rope is wrapped around a pulley with a radius of 15.0 cm.
When you release the box, it begins to fall and the rope around the
pulley begins to unwind, causing the pulley to rotate. As the box
falls, the rope does not slip as it unwinds from the pulley. If the
box is traveling at a speed of 2.50 m/s after...
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