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what is optical path?what is the formula to calculate optical path?

what is optical path?what is the formula to calculate optical path?

Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
The path that light takes in traversing an optical medium or system is often called the optical path. ... The optical path length as defined in optics is the length of the path multiplied by the index of refraction of the medium.
 
suppose light travel a distance't' in time interval'T' then the distance travel by light in vaccum in same time interval is known as optical path length. 
 optical path=refractive index × 'd'.

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