Question
In: Physics
A soap film (n=1.33) is 772 nm thick. White light strikes the film at normal incidence....
A soap film (n=1.33) is 772 nm thick. White light strikes the film at normal incidence. What visible wavelengths will be constructively reflected if the film is surrounded by air on both sides? If there is more than one answer, separate them by a comma.
Solutions
genius_generous answered 2 years agoRelated Solutions
A soap bubble is 95 nm thick and illuminated by white light incident perpendicular to its...
A soap bubble is 95 nm thick and illuminated by white light
incident perpendicular to its surface.
The longest wavelength in nm which is constructively reflected,
assuming soap has the same index of refraction as water (n = 1.33)
is equal to 505.4 nm.
Draw a diagram of the mediums showing where, if any, a phase
change occurs.
State whether you are looking for constructive of destructive
interference.
A soap film (n = 1.33) is formed in a loop of wire that is mounted...
A soap film (n = 1.33) is formed in a loop of wire that is
mounted vertically is not exactly uniform in thickness because of
its weight, but wedge-shaped in cross section. When the film is
illuminated with violet light of wavelength 405 nm, one sees that a
distance of 2.20 cm separates two bright fringes that are 4 orders
apart. By how much does the film differ in thickness over this
distance?
A thin film of soap solution (n = 1.33) has air on either side and is...
A thin film of soap solution (n = 1.33) has air on either side
and is illuminated normally with white light. Interference minima
are visible in the reflected light only at wavelengths of 480, 520,
and 1040 nm in air.
What is the minimum thickness of the film?
A thin film of soap solution (n = 1.33) has air on either side and is...
A thin film of soap solution (n = 1.33) has air on either side
and is illuminated normally with white light. Interference minima
are visible in the reflected light only at wavelengths of 480, 520,
and 1040 nm in air.
What is the minimum thickness of the film? (Express your
answer to two significant figures.)
White light strikes a grating with 5400 lines/cm at normal incidence. How many complete visible spectra...
White light strikes a grating with 5400 lines/cm at normal
incidence.
How many complete visible spectra will be formed on either side
of the central maximum?
Express your answer as an integer.
A thin film suspended in air is 0.400 µm thick and is illuminated with white light...
A thin film suspended in air is 0.400 µm thick and is
illuminated with white light incident perpendicularly on its
surface. The index of refraction of the film is 1.58. At what
wavelength will visible light that is reflected from the two
surfaces of the film undergo fully constructive interference?
What visible wavelengths of light are strongly reflected from a 390-nm-thick soap bubble?
A soap bubble is essentially a thin film of water surrounded by air. The colors you see in soap bubbles are produced by interference. What visible wavelengths of light are strongly reflected from a 390-nm-thick soap bubble? What color would such a soap bubble appear to be?
Light with wavelength 530 nm in air (n = 1) passes through a soap bubble (n...
Light with wavelength 530 nm in air (n = 1) passes through a
soap bubble (n = 1.33), where its wavelength becomes ≈ 400 nm.
A What is the phase difference between a light wave reflected
off the surface of the bubble and one that passes into it before
being reflected?
B The thickness of the bubble is 100 nm. Does this lead to
constructive or destructive interference?
C What would happen for a soap film covering a glass surface...
White light falls in, near the normal direction, against a thin oil film lying on a...
White light falls in, near the normal direction, against a thin
oil film lying on a glass plate. Two colors with wavelengths of
525nm and 650nm clearly dominate the reflected light. Assume that
the refractive index of the oil is 1.25 and the refractive index of
the glass is 1.5.
Determine the thickness of the film and the order of
interference for the dominant colors.
An oil film (n = 1.45) floating on the surface of water has white light incident...
An oil film (n = 1.45) floating on the surface of water has
white light incident on it at normal angle of incidence (i.e.
perpendicular to the film). The film is 280 nm thick. For this
problem, you will need to know that the visible spectrum consists
of wavelengths of light from 400 to 700 nm.
(a) What type of reflection (hard or soft) occurs at the air-oil
interface, and what type of reflection (hard or soft) occurs at the...
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