science
Grade-7
Easy
Question
A light ray traveling through a glass slab enters the air. It ___.
- Goes along the normal
- Bends towards the normal
- Bends away from the normal
- Goes along the interface
Hint:
Denser medium to rarer medium.
The correct answer is: Bends away from the normal
- As light rays goes from denser medium to rarer medium it bends away from the normal.
- Therefore, when light rays enters air through a glass slab it bends away from the normal.
- So, the correct option is c.
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