Question

from the following particulars prepare a bank reconciliation statement of alpha motor ltd.as on a 30th September 2010.
.​

Answer 1

Answer:

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.