Choose the optically denser medium according to the given figure:

[1 mark]

Medium 1

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Medium 2

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Both media have the same optical density.

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It cannot be determined due to insufficient data.

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Solution

The correct option is A Medium 1
When light travels from a rarer to a denser medium, it bends towards the normal and when light travels from a denser to a rarer medium, it bends away from the normal. In the figure, we can see that the light ray bends away from the normal as it moves from medium 1 to medium 2. Therefore, we can infer that medium 1 is denser.

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