7. Ray of light enters from water to glass (a) bent towards the normal drawn to the interface due to decrease in velocity (b) bent towards the normal drawn to the interface due to increase in velocity (c) bent away from the normal drawn to the interface due to increase in velocity (d) bent away from the normal drawn to the interface due to decrease in velocity​

Answers 2

Answer:

(a) bent towards the normal drawn to the interface due to a decrease in velocity

Water is the rarer medium here and Glass is the denser medium.

As light enters glass from water, it moves from rarer to denser medium.

The velocity of light decreases and it bends towards the normal.

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Answer:

(a) bent towards the normal drawn to the interface due to a decrease in velocity.

Explanation:

When light enters from a rarer medium to a denser medium, it will bend towards the normal. Because the speed of the light in a denser medium will be less than that in a rarer medium.

Here the light ray is entering from water to glass. The optical density of glass is greater than that of water. So when the ray entered from water to glass it bends towards the normal as the speed of light in glass is less than that in water.

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