Question
In: Physics
A thin film of soap with n = 1.35 hanging in the air reflects dominantly red...
A thin film of soap with n = 1.35 hanging in the air reflects dominantly red light with ? = 620 nm. What is the minimum thickness of the film?
Now this film is on a sheet of glass, with n = 1.46. What is the wavelength of the light in air that will now be predominantly reflected?
Solutions
genius_generous answered 2 years agoRelated Solutions
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.)
5. Wave Optics – Thin Films A thin film 4.0X10-5cm thick interfaces with air (n=1) on...
5. Wave Optics – Thin Films
A thin film 4.0X10-5cm thick interfaces with air
(n=1) on each its front and back surfaces and is illuminated by
white light normal to its front surface. Its index of refraction is
1.5. What wavelengths within the visible spectrum will be
intensified in the reflected beam? (visible light is taken to be
wavelengths between 390 to 700 nm) Follow the solution
outline below:
Sketch the situation and label the index of refraction on each...
Wave Optics – Thin Films A thin film 4.0X10-5cm thick interfaces with air (n=1) on each...
Wave Optics – Thin Films A thin film 4.0X10-5cm thick interfaces
with air (n=1) on each its front and back surfaces and is
illuminated by white light normal to its front surface. Its index
of refraction is 1.5. What wavelengths within the visible spectrum
will be intensified in the reflected beam? (visible light is taken
to be wavelengths between 390 to 700 nm) Follow the solution
outline below:
Sketch the situation and label the index of refraction on each
side...
A thin film is in the air with a wavelength of 615 nm and is 90...
A thin film is in the air with a wavelength of 615 nm and is 90
nm thick.
What is the minimum index of refraction?
The light at wavelegth= 410 nm is a first order maximum at 12
degrees. What is the angle for the second order maximum at 670
nm?
The central light is 3 m away when every other slit is covered;
how far will the first interference max be?
All but 2 adjacent slits of 10 are...
Derive an expression for the minimum and maximum intensity when light reflects from a thin film
Derive an expression for the minimum and maximum intensity when
light reflects from a thin film
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 having an index of refraction of 1.50 is surrounded by air. It is...
A thin film having an index of refraction of 1.50 is surrounded
by air. It is illuminated normally by white light. Analysis of the
reflected light shows that the wavelengths 360, 450, and 600 nm are
the only missing wavelengths in the visible portion of the
spectrum. That is, for those wavelengths, there is destructive
interference.
(a) What is the thickness of the film?
nm
(b) What wavelengths in the visible portion of the spectrum are
brightest in the reflected...
A thin film of MGF2 has a refractive index of n = 1.38 and it is...
A thin film of MGF2 has a refractive index of n =
1.38 and it is deposited on glass as an anti-reflective layer of
light with a wavelength of 580nm which falls in the normal
direction towards the film. What wavelength is minimally reflected
when the light falls at 45 ° towards the film?
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.
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