Question

Define the following:

a) pole (2 m)  b) centre of curvature (2 m)  c) radius of curvature (2 m)  d) principal focus  (3 m)  e)  principal axis (2 m)  d)  focal length (2 m)  and e)   aperture (2 m)of the concave mirror.​

Answer 1

Answer:

A healthy mind stays in a healthy body and a healthy body healtfies the society, and later the healthy society healthifies a healthy nation.

Explanation:

Answer 2

Answer:

1.The mid point of the mirror is known as pole,

2.the centre of a sphere of which the mirror is a part know as centre of curvature

3.the distance between pole and centre

4.the rays are coming from a distance object parallel to the principal axis incident on convex mirror after reflection converging point, that converging point is known as Focus

5.the orginental line passing through centr of curvature and pole

6.the length between pole and focus

7

Explanation:

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