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Why the light rays coming from infinity is similar?

Posted by Md Tousif Raza 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Meghna Thapar 5 years, 2 months ago

We consider light rays from infinity parallel because they are parallel. ... As the intersection point is pushed further away, the lines become more parallel. The object at infinity means distant object. The rays falling on the lens from an object at infinity are parallel to principal axis. Object at infinity is a fancy way of saying that all the light rays coming from the object are parallel(almost) to each other. (Which is practically impossible because the object will emit or reflect light in all possible direction).

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CBSE > Class 10 > Science