Question

What is mean by principle axis
for class 10th ​

Answer 1

Answer:

Principal axis. A straight line passing through the pole and the centre of curvature of a spherical mirror. Principal axis is normal to the mirror at its pole.

Explanation:

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Answer 2

Answer:

a line passing through the centre of the surface of the lens or spherical mirror and through the centres of curvature of all segment of the lens of mirror...

Explanation:

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