When a ray of light travels from an optically less dense substance to an optically denser substance, the ray is refracted towards the normal.

Here's the step by step explanation:

1. A light ray travels from a less dense medium (like air) to a denser medium (like water or glass).

2. As it hits the boundary of the denser medium, the speed of the light decreases.

3. This change in speed causes the light ray to change direction, a phenomenon known as refraction.

4. According to Snell's Law, the light ray will bend towards the normal (the imaginary line perpendicular to the surface at the point of incidence) when it enters a denser medium.

So, the correct answer is "towards the normal".

Question

When a ray of light travels from an optically less dense substance to an optically denser substance, the ray is refracted towards the normal.

Here's the step by step explanation:

1. A light ray travels from a less dense medium (like air) to a denser medium (like water or glass).

2. As it hits the boundary of the denser medium, the speed of the light decreases.

3. This change in speed causes the light ray to change direction, a phenomenon known as refraction.

4. According to Snell's Law, the light ray will bend towards the normal (the imaginary line perpendicular to the surface at the point of incidence) when it enters a denser medium.

So, the correct answer is "towards the normal".

Knowee AI · Accepted Answer

When a ray of light travels from an optically less dense substance to an optically denser substance, the ray is refracted towards the normal.

Here's the step by step explanation:

1. A light ray travels from a less dense medium (like air) to a denser medium (like water or glass).

2. As it hits the boundary of the denser medium, the speed of the light decreases.

3. This change in speed causes the light ray to change direction, a phenomenon known as refraction.

4. According to Snell's Law, the light ray will bend towards the normal (the imaginary line perpendicular to the surface at the point of incidence) when it enters a denser medium.

So, the correct answer is "towards the normal".

When a ray of light comes from an optically less dense substance to an optically denser substance, the ray is refracted1 pointtowards the normalout of the normaldoes not refract at all

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