In placing a sample on a microscope slide, a glass cover is placed over a water...
In placing a sample on a microscope slide, a glass cover is placed over a water drop on the glass slide. Light incident from above can reflect from the top and bottom of the glass cover and from the glass slide below the water drop. At which surfaces will there be a phase change in the reflected light?
Why? Explain using diagrams and calculations (if necessary).
Homework Answers
Phase changes occurs whenever light travels from rarer medium to denser medium. In this case, when light is reflected from top of the glass surface phase change occurs because reflection occurs at air glass interface and refractive index of glass is more than air and light travels from rarer medium to denser medium.
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