Refraction of light is the phenomenon

by which a single monochromatic source of light emits a ray which is deviated

by another medium when it passes through it. This is easily seen when we look

through the side of a glass at a pencil on the other side.

To do an experiment to observe

refraction, we use a laser and soap solution. We place the beaker containing

soap solution on a stand with a white background behind it. We then shine the

laser light directly at the soap solution, and observe it from the side against

the white background.

We will be able to observe the

refraction of light when we look at the given set up. However, precaution must be

taken that one does not directly look into the laser as it will damage the eye

and its sensory nerve cells.

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