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When exposed to sunlight, thin films of oil on water often exhibit brilliant colours due to the phenomenon of
- a)interference
- b)diffraction
- c)dispersion
- d)polarisation
Correct answer is option 'A'. Can you explain this answer?
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When exposed to sunlight, thin films of oil on water often exhibit bri...
Interference in Thin Films of Oil on Water
Interference is the phenomenon that causes thin films of oil on water to exhibit brilliant colors when exposed to sunlight. This effect occurs due to the interaction of light waves reflecting off the top and bottom surfaces of the thin film.
Thin Film Interference
- When sunlight hits a thin film of oil on water, some of the light is reflected off the top surface of the film, while some light penetrates the film and is reflected off the bottom surface.
- These two reflected waves can either reinforce each other (constructive interference) or cancel each other out (destructive interference) depending on the thickness of the film and the wavelength of light.
Brilliant Colors
- The constructive interference of certain wavelengths of light results in the appearance of brilliant colors on the thin film.
- Different colors are produced because different wavelengths of light interfere constructively at different thicknesses of the film.
Explanation of Colors
- The colors observed on the thin film are a result of the interference of light waves.
- The thin film acts as a set of parallel reflecting surfaces, causing certain wavelengths of light to interfere constructively and appear as bright colors.
In conclusion, the phenomenon of interference is responsible for the brilliant colors seen on thin films of oil on water when exposed to sunlight. This effect demonstrates the wave nature of light and the principles of interference.
Interference is the phenomenon that causes thin films of oil on water to exhibit brilliant colors when exposed to sunlight. This effect occurs due to the interaction of light waves reflecting off the top and bottom surfaces of the thin film.
Thin Film Interference
- When sunlight hits a thin film of oil on water, some of the light is reflected off the top surface of the film, while some light penetrates the film and is reflected off the bottom surface.
- These two reflected waves can either reinforce each other (constructive interference) or cancel each other out (destructive interference) depending on the thickness of the film and the wavelength of light.
Brilliant Colors
- The constructive interference of certain wavelengths of light results in the appearance of brilliant colors on the thin film.
- Different colors are produced because different wavelengths of light interfere constructively at different thicknesses of the film.
Explanation of Colors
- The colors observed on the thin film are a result of the interference of light waves.
- The thin film acts as a set of parallel reflecting surfaces, causing certain wavelengths of light to interfere constructively and appear as bright colors.
In conclusion, the phenomenon of interference is responsible for the brilliant colors seen on thin films of oil on water when exposed to sunlight. This effect demonstrates the wave nature of light and the principles of interference.
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When exposed to sunlight, thin films of oil on water often exhibit brilliant colours due to the phenomenon ofa)interferenceb)diffractionc)dispersiond)polarisationCorrect answer is option 'A'. Can you explain this answer?
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When exposed to sunlight, thin films of oil on water often exhibit brilliant colours due to the phenomenon ofa)interferenceb)diffractionc)dispersiond)polarisationCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about When exposed to sunlight, thin films of oil on water often exhibit brilliant colours due to the phenomenon ofa)interferenceb)diffractionc)dispersiond)polarisationCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When exposed to sunlight, thin films of oil on water often exhibit brilliant colours due to the phenomenon ofa)interferenceb)diffractionc)dispersiond)polarisationCorrect answer is option 'A'. Can you explain this answer?.
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