CTET 2 Math and Science 1 Jan 2022 Paper

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Question : 63 of 150

Marks: +1, -0

Which of the following statement is true when a ray of light travels from air into oil?

The speed of light decreases and the ray bends towards the normal.
The speed of light increases and the ray bends away from the normal.
The speed of light increases and the ray bends towards the normal.
The speed of light decreases and the ray bends away from the normal.

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