Aman. Nam and Raman were partners in a firm polite and was in the ratio of 22:1.0:
36
2020 their Balance Sheet
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Fermat’s Theorem
The principle of least time: Light always takes the quickest path between any two points (which may not be the shortest path).
Rectilinear propagation of light and the law of reflection [∠i=∠r] can be validated by Fermat’s principle of least time.
Plane mirror
Any flat and polished surface that has almost no irregularities on its surface that reflect light is called as a plane mirror.
Characteristics of images
Images can be real or virtual, erect or inverted, magnified or diminished. A real ima
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