Soap film in sunlight appears coloured due to:
Correct answer: D. Interference of light
- A. Dispersion of light
- B. Diffraction of light
- C. Scattering of light
- D. Interference of light
Explanation
Soap film in sunlight appears colored due to the interference of light. When light hits the thin film, it reflects off the top and bottom surfaces, leading to interference patterns. These patterns result in the colorful display seen. The other options, such as dispersion, diffraction, and scattering of light, are not the primary reasons for the colors observed in soap films.
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About Optics
Light is studied through reflection, refraction, dispersion, interference, diffraction and polarization, linking ray behavior with its wave nature. Questions may involve mirrors, lenses, optical instruments, refractive index and image formation, while geometrical optics deals with rays and wave optics explains effects such as interference and diffraction.
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