Question

a) Explain and draw a diagram to show what happens to light when it enters oil kept in a
glass​

Answer 1

Answer:

When light hits a glass object, some of the light bounces (or reflects) off the glass. The rest of the light keeps going through the glass object, but the light is bent (or refracted) as it moves from the air to the glass. The index of refraction for the oil is very close to the index of refraction for glass.

Explanation:

Answer 2

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Light is refracted when it crosses the interface from air into glass in which it moves more slowly. Since the light speed changes at the interface, the wavelength of the light must change, too. The wavelength decreases as the light enters the medium and the light wave changes direction.

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