Question

puddle of water has an oily thin film floating on it. A beam of light is...

puddle of water has an oily thin film floating on it. A beam of light is shining perpendicular on the film. If the wavelength of light incident on the film is 532 nm and the indices of refraction of the oil and water are 1.40 and 1.33, respectively, what must be the minimum thickness of the film to see a bright reflection?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
What is the thinnest film of oil which is  floating on a puddle of water in order...
What is the thinnest film of oil which is  floating on a puddle of water in order to have constructive interference for reflected light of wavelength 588. nm as seen from above the oil? The index of refraction, n, for air is 1.00. The index of refraction, n, for oil is 1.25. The index of refraction, n, for water is 1.33
A student shines a variable light source directly onto a thin film of oil that is...
A student shines a variable light source directly onto a thin film of oil that is on the surface of a piece of plastic. The oil has an index of refraction of 1.62 while the plastic has an index of refraction of 1.44. The student adjusts the light source until the first bright reflection occurs, which they note occurs when the wavelength is 560 nm. Q1. At which if any does the light undergo a 180 phase change on reflection?...
Sunlight with an angle of incident of 30 degrees hits a thin oil layer, floating on...
Sunlight with an angle of incident of 30 degrees hits a thin oil layer, floating on a puddle of water. The oil layer is 185nm thick and has an index of refraction of 1.49, the water has an index of 1.33 and is 2mm thick. a) There is a dominant reflection of this light at what wavelength? [b) What colour would this reflection appear? c) Describe in 20 words or less the polarization of the reflected light: use at least...
An oil film(n=1.40) floating on water(n=1.33) is illuminated by white light. The film is 280 nm...
An oil film(n=1.40) floating on water(n=1.33) is illuminated by white light. The film is 280 nm thick. Find the color of light in the visible spectrum most strongly reflected by the oil film.
When white light illuminates an oil film on water and the reflected light is viewed perpendicular...
When white light illuminates an oil film on water and the reflected light is viewed perpendicular to the surface of the water, no green light at 548 nm is reflected but there is a strong presence of red light with a wavelength of 685 nm. Determine the thickness of the oil film. Take the index of refraction of oil to be 1.28.
Sunlight with an angle of incident of 30 degrees hits a thin oil layer, floating on...
Sunlight with an angle of incident of 30 degrees hits a thin oil layer, floating on a puddle of water. The oil layer is 185nm thick and has an index of refraction of 1.49, the water has an index of 1.33 and is 2mm thick. [6] a) There is a dominant reflection of this light at what wavelength? [2] b) What colour would this reflection appear? [2] c) Describe in 20 words or less the polarization of the reflected light:...
Due to an unwanted oil spill, a thin film of oil of refractive index 1.40 floats...
Due to an unwanted oil spill, a thin film of oil of refractive index 1.40 floats on water (refractive index 1.33). When sunlight is incident at right angles to this film, the only colors that are absent from the reflected light are blue (458nm) and red (687nm). (a) Draw a diagram showing the reflected rays for either blue or red. (b)Estimate the thickness of the oil film. (c)If the only colors enhanced by reflection were blue and red, what would...
The thickness of a layer of benzene ( n = 1.50 ) floating on water by...
The thickness of a layer of benzene ( n = 1.50 ) floating on water by shining monochromatic light onto the film and varying the wavelength of the light. The wavelength of 575 nm is reflected the most strongly from the film. What is the minimum thickness of the film? What wavelength of light is reflected the least at this thickness? Is this wavelength in the visible spectrum? step by step please include all derived equations.
A thin film in air is made by putting a thin layer of acetone (n =...
A thin film in air is made by putting a thin layer of acetone (n = 1.25) on a layer of water (n = 1.33). When visible light (400nm – 700 nm) shines normally on the film an observed from above, the bright reflected light looks kind of “purplish” with red light of wavelength 650 nm mixed some blue giving it that appearance and “greenish” light of wavelength 520 nm is completely destroyed. Determine the thickness of the acetone film....
1. Light traveling in air (index of refraction 1.00) falls onto a thin plastic film (index...
1. Light traveling in air (index of refraction 1.00) falls onto a thin plastic film (index of refraction 1.30) of unknown thickness that covers glass (index of refraction 1.50). What minimum non-zero thickness is needed such that wavelengths of 650 nm in air are bright in the reflection? 2. You observe two point sources of light that are spaced 10 cm apart which are each emitting light of wavelength of 590 nm. If the diameter of your pupil is 2...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT