Question

Describe an experiment to show that a light ray bends when it passes from one transparent medium to another

Answer 1

Refraction of Light: as it passes from more dense to less dense mediums. The bendingof light as it passes from one medium to another is called refraction. ... Each color from the original beam of light has its own particular wavelength (or color) and each wavelength is slowed differently by the glass.
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Answer 2

Spread and fix a sheet of white paper on the drawing board. At the center of the paper, place a glass slab XYX ‘ Y’ and draw its boundary. A ray of light AB traveling from the air (rarer medium) to glass slab (denser medium). Part of path BC in denser medium bends towards the normal. ∠r ∠i. This shows that when light travels from RARER to DENSER medium bends towards the normal. Ray BC travels from DENSER medium to RARER medium in air (RAY CD) bend away from normal. ∠e >∠r. This shows that when a ray of light travels from DENSER to RARER medium bends AWAY from normal.Read more on Sarthaks.com - https://www.sarthaks.com/155534/describe-experiment-light-bends-passes-transparent-medium-another-transparent-medium