Physics
Grade-10
Easy
Question
A light ray enters medium 2 from medium 1. If the medium 2 has a refractive index greater than medium 1, the light ray would _____ on entering medium 2.
- Bend towards the normal
- Bend away from the normal
- Not bend at all
- Bend by an angle of 45 degrees
Hint:
The light ray bend towards the normal when it enters from a rarer to a denser medium.
The correct answer is: Bend towards the normal
A light ray enters medium 2 from medium 1. If the medium 2 has a refractive index greater than medium 1, the light ray would bend towards the normal on entering medium 2.
- When the refractive index is more in medium 2 than in medium one, it means that medium 2 is denser than medium 1.
- When the light enters into a denser medium from a rarer medium, the ray bend towards the normal.
- When the light ray emerges out from a denser medium to a rarer medium, it bends away from the normal.
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