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Grade: 10
        
Why do we feel sensation when anything  enters our eye
 
 
 
Why sky appear blue
7 months ago

Answers : (2)

Arun
24735 Points
							Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. ... Also, the surface of Earth has reflected and scattered the light.
						
7 months ago
Vikas TU
11680 Points
							
Dear student 
When we put finger in our eyes, the dust present in it irritate the eye. And also we feel irritated when we see an object very close to us (less than 25cm). 
So there is irritation in eye. 
Good Luck 
7 months ago
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