Question

4.
Journalise
the
following
transactions
:
(1) Started business with cash 3,00,000.
(ii) Bought Goods on credit for 5,000.
Sold Goods for cash12,000 and on credit 8,000.​

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. A real ima