In which of the following cases light bends towards the normal ray.
A
Light travelling from air into glass
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B
Light travelling from glass into water
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C
Light travelling from air into water
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D
Light travelling from water into a prism
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Solution
The correct options are ALight travelling from air into glass CLight travelling from air into water DLight travelling from water into a prism If light enters any substance with a higher refractive index (such as from air into glass) the light bends towards the normal ray.