When a light ray enters from a denser medium to a rarer medium, say from glass to air, how does the light ray bend?

Correct option is C

The correct answer is (c) Away from the normal.
· When a light ray passes from a denser medium (such as glass) to a rarer medium (such as air), it bends away from the normal.
· This is due to the increase in the speed of light as it moves into the rarer medium.
· The phenomenon of light bending when it passes from one medium to another is called refraction.
· Snell's Law governs the relationship between the angles of incidence and refraction, given as: n₁ sin(θ₁) = n₂ sin(θ₂), where n₁ and n₂ are the refractive indices of the two media, and θ₁ and θ₂ are the angles of incidence and refraction, respectively.
Additional Information:
· Bends and merges with the normal : This is incorrect; the light does not merge with the normal in this scenario.
· Towards normal : Light bends towards the normal when entering from a rarer medium to a denser medium, not the other way around.
· Bends at 90 degrees from normal : Light doesn't typically bend at a 90-degree angle unless under special circumstances (like total internal reflection).