Trace the path of the ray of light through a glass slab, when it passes from water to a glass slab and what will happen to the incident ray ? Draw the ray diagram.

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Solution

If both pieces of glass have the same refractive index and have parallel surfaces $,$ the rays in and out will be parallel $.$

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Trace the path of the ray of light through a glass slab, when it passes from water to a glass slab and what will happen to the incident ray ? Draw the ray diagram.

If both pieces of glass have the same refractive index and have parallel surfaces, the rays in and out will be parallel.

If both pieces of glass have the same refractive index and have parallel surfaces $,$ the rays in and out will be parallel $.$