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Pole of a mirror

Fill in the b...

Question

Fill in the blanks:
The line which passes through the centre of curvature and pole is ____

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Solution

Principal axis is defined as the line passing through center of curvature and pole of the mirror.

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Q. In the case of a mirror, match the items in column A with those in column B.
A B
1. Centre of curvature (a) centre of the mirror
2. Focus (b) centre of the sphere of which the mirror is a part
3. Radius of curvature (c) point through which all the incident rays parallel to principal axis pass after reflection
4. Principal axis (d) line joining the pole and focus
5. Pole (e) distance between pole and centre of curvature

Q. Fill in the blanks :

The centre of curvature of a concave mirror lies in ................... of it.

Fill in the blank:

The c-ray, which travels through the centre of curvature and hits a concave mirror, reflects through __________.

For an incident ray directed towards centre of curvature of a spherical mirror, the reflected ray :

(a) retraces its path

(b) passes through the focus

(c) passes through the pole

(d) becomes parallel to the principal axis.

Q. Fill in the blanks:
The distance between pole and centre of curvature is ____

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