Q.

Is it true that when a ray of light passes from air into a block of glass it bends towards the normal?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is True.
The light rays bend or backward as they enter the glass block at an angle. First, they bend towards the normal and slow down as they pass through the air into the glass. Then, they move straight through the glass at an angle. Finally, they bend away from the normal as they pass through the glass into the air and accelerate again.
 
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