Why does the light when incident perpendicular goes undeviated
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Why does a ray of light remain undeviated on passing through the optical centre of a lens?
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Tom Margolis
Answered Oct 26, 2016 · Author has 2.3kanswers and 661.2k answer views
Originally Answered: Why does ray of light that pass through the center of lens not suffer from deviation, while the others do?
Mark Lundquist is correct.
Here’s an analogy: Two cars drive from smooth pavement onto a very rough dirt road.
One car strikes at an angle, so one front tire hits the dirt road first and slows down, while the other front tire is still on the pavement. This car curves due to the difference in speed of its front tires.
The second car strikes the dirt road straight on, and both front tires slow down at the same time. This car does not curve.
I THINK THIS IS THE ANSWER
Still have a question? Ask your own!
What is your question?
16 ANSWERS
Tom Margolis
Answered Oct 26, 2016 · Author has 2.3kanswers and 661.2k answer views
Originally Answered: Why does ray of light that pass through the center of lens not suffer from deviation, while the others do?
Mark Lundquist is correct.
Here’s an analogy: Two cars drive from smooth pavement onto a very rough dirt road.
One car strikes at an angle, so one front tire hits the dirt road first and slows down, while the other front tire is still on the pavement. This car curves due to the difference in speed of its front tires.
The second car strikes the dirt road straight on, and both front tires slow down at the same time. This car does not curve.
I THINK THIS IS THE ANSWER
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